20709347456

素因数分解:

$2^7\times 7^2\times {\mathrm{127}}^1\times {\mathrm{25999}}^1$

素因数の和:26154

約数の個数: 96

約数和(自身を含む): 48372480000

約数和(自身を除く): 27663132544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 127, 128, 196, 224, 254, 392, 448, 508, 784, 889, 896, 1016, 1568, 1778, 2032, 3136, 3556, 4064, 6223, 6272, 7112, 8128, 12446, 14224, 16256, 24892, 25999, 28448, 49784, 51998, 56896, 99568, 103996, 113792, 181993, 199136, 207992, 363986, 398272, 415984, 727972, 796544, 831968, 1273951, 1455944, 1663936, 2547902, 2911888, 3301873, 3327872, 5095804, 5823776, 6603746, 10191608, 11647552, 13207492, 20383216, 23113111, 23295104, 26414984, 40766432, 46226222, 52829968, 81532864, 92452444, 105659936, 161791777, 163065728, 184904888, 211319872, 323583554, 369809776, 422639744, 647167108, 739619552, 1294334216, 1479239104, 2588668432, 2958478208, 5177336864, 10354673728, 20709347456]

約数ペア:

[(1, 20709347456), (2, 10354673728), (4, 5177336864), (7, 2958478208), (8, 2588668432), (14, 1479239104), (16, 1294334216), (28, 739619552), (32, 647167108), (49, 422639744), (56, 369809776), (64, 323583554), (98, 211319872), (112, 184904888), (127, 163065728), (128, 161791777), (196, 105659936), (224, 92452444), (254, 81532864), (392, 52829968), (448, 46226222), (508, 40766432), (784, 26414984), (889, 23295104), (896, 23113111), (1016, 20383216), (1568, 13207492), (1778, 11647552), (2032, 10191608), (3136, 6603746), (3556, 5823776), (4064, 5095804), (6223, 3327872), (6272, 3301873), (7112, 2911888), (8128, 2547902), (12446, 1663936), (14224, 1455944), (16256, 1273951), (24892, 831968), (25999, 796544), (28448, 727972), (49784, 415984), (51998, 398272), (56896, 363986), (99568, 207992), (103996, 199136), (113792, 181993)]