20351968

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 51226560

約数和(自身を除く): 30874592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 224, 232, 241, 364, 377, 406, 416, 464, 482, 728, 754, 812, 928, 964, 1456, 1508, 1624, 1687, 1928, 2639, 2912, 3016, 3133, 3248, 3374, 3856, 5278, 6032, 6266, 6496, 6748, 6989, 7712, 10556, 12064, 12532, 13496, 13978, 21112, 21931, 25064, 26992, 27956, 42224, 43862, 48923, 50128, 53984, 55912, 84448, 87724, 90857, 97846, 100256, 111824, 175448, 181714, 195692, 223648, 350896, 363428, 391384, 635999, 701792, 726856, 782768, 1271998, 1453712, 1565536, 2543996, 2907424, 5087992, 10175984, 20351968]

約数ペア:

[(1, 20351968), (2, 10175984), (4, 5087992), (7, 2907424), (8, 2543996), (13, 1565536), (14, 1453712), (16, 1271998), (26, 782768), (28, 726856), (29, 701792), (32, 635999), (52, 391384), (56, 363428), (58, 350896), (91, 223648), (104, 195692), (112, 181714), (116, 175448), (182, 111824), (203, 100256), (208, 97846), (224, 90857), (232, 87724), (241, 84448), (364, 55912), (377, 53984), (406, 50128), (416, 48923), (464, 43862), (482, 42224), (728, 27956), (754, 26992), (812, 25064), (928, 21931), (964, 21112), (1456, 13978), (1508, 13496), (1624, 12532), (1687, 12064), (1928, 10556), (2639, 7712), (2912, 6989), (3016, 6748), (3133, 6496), (3248, 6266), (3374, 6032), (3856, 5278)]