20581286040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{38707}}^1$

素因数の和:38942

約数の個数: 192

約数和(自身を含む): 76809058560

約数和(自身を除く): 56227772520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 211, 252, 280, 315, 360, 420, 422, 504, 630, 633, 840, 844, 1055, 1260, 1266, 1477, 1688, 1899, 2110, 2520, 2532, 2954, 3165, 3798, 4220, 4431, 5064, 5908, 6330, 7385, 7596, 8440, 8862, 9495, 11816, 12660, 13293, 14770, 15192, 17724, 18990, 22155, 25320, 26586, 29540, 35448, 37980, 38707, 44310, 53172, 59080, 66465, 75960, 77414, 88620, 106344, 116121, 132930, 154828, 177240, 193535, 232242, 265860, 270949, 309656, 348363, 387070, 464484, 531720, 541898, 580605, 696726, 774140, 812847, 928968, 1083796, 1161210, 1354745, 1393452, 1548280, 1625694, 1741815, 2167592, 2322420, 2438541, 2709490, 2786904, 3251388, 3483630, 4064235, 4644840, 4877082, 5418980, 6502776, 6967260, 8128470, 8167177, 9754164, 10837960, 12192705, 13934520, 16256940, 16334354, 19508328, 24385410, 24501531, 32513880, 32668708, 40835885, 48770820, 49003062, 57170239, 65337416, 73504593, 81671770, 97541640, 98006124, 114340478, 122507655, 147009186, 163343540, 171510717, 196012248, 228680956, 245015310, 285851195, 294018372, 326687080, 343021434, 367522965, 457361912, 490030620, 514532151, 571702390, 588036744, 686042868, 735045930, 857553585, 980061240, 1029064302, 1143404780, 1372085736, 1470091860, 1715107170, 2058128604, 2286809560, 2572660755, 2940183720, 3430214340, 4116257208, 5145321510, 6860428680, 10290643020, 20581286040]

約数ペア:

[(1, 20581286040), (2, 10290643020), (3, 6860428680), (4, 5145321510), (5, 4116257208), (6, 3430214340), (7, 2940183720), (8, 2572660755), (9, 2286809560), (10, 2058128604), (12, 1715107170), (14, 1470091860), (15, 1372085736), (18, 1143404780), (20, 1029064302), (21, 980061240), (24, 857553585), (28, 735045930), (30, 686042868), (35, 588036744), (36, 571702390), (40, 514532151), (42, 490030620), (45, 457361912), (56, 367522965), (60, 343021434), (63, 326687080), (70, 294018372), (72, 285851195), (84, 245015310), (90, 228680956), (105, 196012248), (120, 171510717), (126, 163343540), (140, 147009186), (168, 122507655), (180, 114340478), (210, 98006124), (211, 97541640), (252, 81671770), (280, 73504593), (315, 65337416), (360, 57170239), (420, 49003062), (422, 48770820), (504, 40835885), (630, 32668708), (633, 32513880), (840, 24501531), (844, 24385410), (1055, 19508328), (1260, 16334354), (1266, 16256940), (1477, 13934520), (1688, 12192705), (1899, 10837960), (2110, 9754164), (2520, 8167177), (2532, 8128470), (2954, 6967260), (3165, 6502776), (3798, 5418980), (4220, 4877082), (4431, 4644840), (5064, 4064235), (5908, 3483630), (6330, 3251388), (7385, 2786904), (7596, 2709490), (8440, 2438541), (8862, 2322420), (9495, 2167592), (11816, 1741815), (12660, 1625694), (13293, 1548280), (14770, 1393452), (15192, 1354745), (17724, 1161210), (18990, 1083796), (22155, 928968), (25320, 812847), (26586, 774140), (29540, 696726), (35448, 580605), (37980, 541898), (38707, 531720), (44310, 464484), (53172, 387070), (59080, 348363), (66465, 309656), (75960, 270949), (77414, 265860), (88620, 232242), (106344, 193535), (116121, 177240), (132930, 154828)]