20349020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 46061568

約数和(自身を除く): 25712548

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 1427, 2852, 2854, 3565, 5708, 7130, 7135, 14260, 14270, 28540, 32821, 44237, 65642, 88474, 131284, 164105, 176948, 221185, 328210, 442370, 656420, 884740, 1017451, 2034902, 4069804, 5087255, 10174510, 20349020]

約数ペア:

[(1, 20349020), (2, 10174510), (4, 5087255), (5, 4069804), (10, 2034902), (20, 1017451), (23, 884740), (31, 656420), (46, 442370), (62, 328210), (92, 221185), (115, 176948), (124, 164105), (155, 131284), (230, 88474), (310, 65642), (460, 44237), (620, 32821), (713, 28540), (1426, 14270), (1427, 14260), (2852, 7135), (2854, 7130), (3565, 5708)]