20211631248

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 240

約数和(自身を含む): 57482320896

約数和(自身を除く): 37270689648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 37, 43, 46, 48, 69, 74, 86, 92, 111, 129, 138, 148, 172, 184, 222, 258, 276, 296, 311, 344, 368, 444, 516, 552, 592, 622, 688, 851, 888, 933, 989, 1032, 1104, 1244, 1369, 1591, 1702, 1776, 1866, 1978, 2064, 2488, 2553, 2738, 2967, 3182, 3404, 3732, 3956, 4107, 4773, 4976, 5106, 5476, 5934, 6364, 6808, 7153, 7464, 7912, 8214, 9546, 10212, 10952, 11507, 11868, 12728, 13373, 13616, 14306, 14928, 15824, 16428, 19092, 20424, 21459, 21904, 23014, 23736, 25456, 26746, 28612, 31487, 32856, 34521, 36593, 38184, 40119, 40848, 42918, 46028, 47472, 53492, 57224, 58867, 62974, 65712, 69042, 73186, 76368, 80238, 85836, 92056, 94461, 106984, 109779, 114448, 117734, 125948, 138084, 146372, 160476, 171672, 176601, 184112, 188922, 213968, 219558, 235468, 251896, 264661, 276168, 292744, 307579, 320952, 343344, 353202, 377844, 425759, 439116, 470936, 494801, 503792, 529322, 552336, 585488, 615158, 641904, 706404, 755688, 793983, 851518, 878232, 922737, 941872, 989602, 1058644, 1230316, 1277277, 1353941, 1412808, 1484403, 1511376, 1587966, 1703036, 1756464, 1845474, 1979204, 2117288, 2460632, 2554554, 2707882, 2825616, 2968806, 3175932, 3406072, 3690948, 3958408, 4061823, 4234576, 4921264, 5109108, 5415764, 5937612, 6351864, 6812144, 7381896, 7916816, 8123646, 9792457, 10218216, 10831528, 11380423, 11875224, 12703728, 14763792, 16247292, 18307637, 19584914, 20436432, 21663056, 22760846, 23750448, 29377371, 32494584, 34141269, 36615274, 39169828, 45521692, 54922911, 58754742, 64989168, 68282538, 73230548, 78339656, 91043384, 109845822, 117509484, 136565076, 146461096, 156679312, 182086768, 219691644, 235018968, 273130152, 292922192, 421075651, 439383288, 470037936, 546260304, 842151302, 878766576, 1263226953, 1684302604, 2526453906, 3368605208, 5052907812, 6737210416, 10105815624, 20211631248]

約数ペア:

[(1, 20211631248), (2, 10105815624), (3, 6737210416), (4, 5052907812), (6, 3368605208), (8, 2526453906), (12, 1684302604), (16, 1263226953), (23, 878766576), (24, 842151302), (37, 546260304), (43, 470037936), (46, 439383288), (48, 421075651), (69, 292922192), (74, 273130152), (86, 235018968), (92, 219691644), (111, 182086768), (129, 156679312), (138, 146461096), (148, 136565076), (172, 117509484), (184, 109845822), (222, 91043384), (258, 78339656), (276, 73230548), (296, 68282538), (311, 64989168), (344, 58754742), (368, 54922911), (444, 45521692), (516, 39169828), (552, 36615274), (592, 34141269), (622, 32494584), (688, 29377371), (851, 23750448), (888, 22760846), (933, 21663056), (989, 20436432), (1032, 19584914), (1104, 18307637), (1244, 16247292), (1369, 14763792), (1591, 12703728), (1702, 11875224), (1776, 11380423), (1866, 10831528), (1978, 10218216), (2064, 9792457), (2488, 8123646), (2553, 7916816), (2738, 7381896), (2967, 6812144), (3182, 6351864), (3404, 5937612), (3732, 5415764), (3956, 5109108), (4107, 4921264), (4773, 4234576), (4976, 4061823), (5106, 3958408), (5476, 3690948), (5934, 3406072), (6364, 3175932), (6808, 2968806), (7153, 2825616), (7464, 2707882), (7912, 2554554), (8214, 2460632), (9546, 2117288), (10212, 1979204), (10952, 1845474), (11507, 1756464), (11868, 1703036), (12728, 1587966), (13373, 1511376), (13616, 1484403), (14306, 1412808), (14928, 1353941), (15824, 1277277), (16428, 1230316), (19092, 1058644), (20424, 989602), (21459, 941872), (21904, 922737), (23014, 878232), (23736, 851518), (25456, 793983), (26746, 755688), (28612, 706404), (31487, 641904), (32856, 615158), (34521, 585488), (36593, 552336), (38184, 529322), (40119, 503792), (40848, 494801), (42918, 470936), (46028, 439116), (47472, 425759), (53492, 377844), (57224, 353202), (58867, 343344), (62974, 320952), (65712, 307579), (69042, 292744), (73186, 276168), (76368, 264661), (80238, 251896), (85836, 235468), (92056, 219558), (94461, 213968), (106984, 188922), (109779, 184112), (114448, 176601), (117734, 171672), (125948, 160476), (138084, 146372)]