20165475968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{387083}}^1$

素因数の和:387145

約数の個数: 64

約数和(自身を含む): 45010127520

約数和(自身を除く): 24844651552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 407, 592, 704, 814, 1184, 1408, 1628, 2368, 3256, 4736, 6512, 13024, 26048, 52096, 387083, 774166, 1548332, 3096664, 4257913, 6193328, 8515826, 12386656, 14322071, 17031652, 24773312, 28644142, 34063304, 49546624, 57288284, 68126608, 114576568, 136253216, 157542781, 229153136, 272506432, 315085562, 458306272, 545012864, 630171124, 916612544, 1260342248, 1833225088, 2520684496, 5041368992, 10082737984, 20165475968]

約数ペア:

[(1, 20165475968), (2, 10082737984), (4, 5041368992), (8, 2520684496), (11, 1833225088), (16, 1260342248), (22, 916612544), (32, 630171124), (37, 545012864), (44, 458306272), (64, 315085562), (74, 272506432), (88, 229153136), (128, 157542781), (148, 136253216), (176, 114576568), (296, 68126608), (352, 57288284), (407, 49546624), (592, 34063304), (704, 28644142), (814, 24773312), (1184, 17031652), (1408, 14322071), (1628, 12386656), (2368, 8515826), (3256, 6193328), (4736, 4257913), (6512, 3096664), (13024, 1548332), (26048, 774166), (52096, 387083)]