20174128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4217}}^1$

素因数の和:4261

約数の個数: 40

約数和(自身を含む): 43934688

約数和(自身を除く): 23760560

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4217, 4784, 8434, 16868, 33736, 54821, 67472, 96991, 109642, 193982, 219284, 387964, 438568, 775928, 877136, 1260883, 1551856, 2521766, 5043532, 10087064, 20174128]

約数ペア:

[(1, 20174128), (2, 10087064), (4, 5043532), (8, 2521766), (13, 1551856), (16, 1260883), (23, 877136), (26, 775928), (46, 438568), (52, 387964), (92, 219284), (104, 193982), (184, 109642), (208, 96991), (299, 67472), (368, 54821), (598, 33736), (1196, 16868), (2392, 8434), (4217, 4784)]