20896372018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1249}}^1\times {\mathrm{1871}}^1$

素因数の和:3402

約数の個数: 32

約数和(自身を含む): 33359040000

約数和(自身を除く): 12462667982

約数列:

[1, 2, 17, 34, 263, 526, 1249, 1871, 2498, 3742, 4471, 8942, 21233, 31807, 42466, 63614, 328487, 492073, 656974, 984146, 2336879, 4673758, 5584279, 8365241, 11168558, 16730482, 39726943, 79453886, 614599177, 1229198354, 10448186009, 20896372018]

約数ペア:

[(1, 20896372018), (2, 10448186009), (17, 1229198354), (34, 614599177), (263, 79453886), (526, 39726943), (1249, 16730482), (1871, 11168558), (2498, 8365241), (3742, 5584279), (4471, 4673758), (8942, 2336879), (21233, 984146), (31807, 656974), (42466, 492073), (63614, 328487)]