20581366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 14513162

約数列:

[1, 2, 13, 23, 26, 46, 127, 254, 271, 299, 542, 598, 1651, 2921, 3302, 3523, 5842, 6233, 7046, 12466, 34417, 37973, 68834, 75946, 81029, 162058, 447421, 791591, 894842, 1583182, 10290683, 20581366]

約数ペア:

[(1, 20581366), (2, 10290683), (13, 1583182), (23, 894842), (26, 791591), (46, 447421), (127, 162058), (254, 81029), (271, 75946), (299, 68834), (542, 37973), (598, 34417), (1651, 12466), (2921, 7046), (3302, 6233), (3523, 5842)]