20001696

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 65028096

約数和(自身を除く): 45026400

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 32, 33, 39, 44, 47, 48, 52, 62, 66, 78, 88, 93, 94, 96, 104, 124, 132, 141, 143, 156, 176, 186, 188, 208, 248, 264, 282, 286, 312, 341, 352, 372, 376, 403, 416, 429, 496, 517, 528, 564, 572, 611, 624, 682, 744, 752, 806, 858, 992, 1023, 1034, 1056, 1128, 1144, 1209, 1222, 1248, 1364, 1457, 1488, 1504, 1551, 1612, 1716, 1833, 2046, 2068, 2256, 2288, 2418, 2444, 2728, 2914, 2976, 3102, 3224, 3432, 3666, 4092, 4136, 4371, 4433, 4512, 4576, 4836, 4888, 5456, 5828, 6204, 6448, 6721, 6864, 7332, 8184, 8272, 8742, 8866, 9672, 9776, 10912, 11656, 12408, 12896, 13299, 13442, 13728, 14664, 16027, 16368, 16544, 17484, 17732, 18941, 19344, 19552, 20163, 23312, 24816, 26598, 26884, 29328, 32054, 32736, 34968, 35464, 37882, 38688, 40326, 46624, 48081, 49632, 53196, 53768, 56823, 58656, 64108, 69936, 70928, 75764, 80652, 96162, 106392, 107536, 113646, 128216, 139872, 141856, 151528, 161304, 192324, 208351, 212784, 215072, 227292, 256432, 303056, 322608, 384648, 416702, 425568, 454584, 512864, 606112, 625053, 645216, 769296, 833404, 909168, 1250106, 1538592, 1666808, 1818336, 2500212, 3333616, 5000424, 6667232, 10000848, 20001696]

約数ペア:

[(1, 20001696), (2, 10000848), (3, 6667232), (4, 5000424), (6, 3333616), (8, 2500212), (11, 1818336), (12, 1666808), (13, 1538592), (16, 1250106), (22, 909168), (24, 833404), (26, 769296), (31, 645216), (32, 625053), (33, 606112), (39, 512864), (44, 454584), (47, 425568), (48, 416702), (52, 384648), (62, 322608), (66, 303056), (78, 256432), (88, 227292), (93, 215072), (94, 212784), (96, 208351), (104, 192324), (124, 161304), (132, 151528), (141, 141856), (143, 139872), (156, 128216), (176, 113646), (186, 107536), (188, 106392), (208, 96162), (248, 80652), (264, 75764), (282, 70928), (286, 69936), (312, 64108), (341, 58656), (352, 56823), (372, 53768), (376, 53196), (403, 49632), (416, 48081), (429, 46624), (496, 40326), (517, 38688), (528, 37882), (564, 35464), (572, 34968), (611, 32736), (624, 32054), (682, 29328), (744, 26884), (752, 26598), (806, 24816), (858, 23312), (992, 20163), (1023, 19552), (1034, 19344), (1056, 18941), (1128, 17732), (1144, 17484), (1209, 16544), (1222, 16368), (1248, 16027), (1364, 14664), (1457, 13728), (1488, 13442), (1504, 13299), (1551, 12896), (1612, 12408), (1716, 11656), (1833, 10912), (2046, 9776), (2068, 9672), (2256, 8866), (2288, 8742), (2418, 8272), (2444, 8184), (2728, 7332), (2914, 6864), (2976, 6721), (3102, 6448), (3224, 6204), (3432, 5828), (3666, 5456), (4092, 4888), (4136, 4836), (4371, 4576), (4433, 4512)]