20212990064

素因数分解:

$2^4\times {\mathrm{88177}}^1\times {\mathrm{14327}}^1$

素因数の和:102512

約数の個数: 20

約数和(自身を含む): 39165845904

約数和(自身を除く): 18952855840

約数列:

[1, 2, 4, 8, 16, 14327, 28654, 57308, 88177, 114616, 176354, 229232, 352708, 705416, 1410832, 1263311879, 2526623758, 5053247516, 10106495032, 20212990064]

約数ペア:

[(1, 20212990064), (2, 10106495032), (4, 5053247516), (8, 2526623758), (16, 1263311879), (14327, 1410832), (28654, 705416), (57308, 352708), (88177, 229232), (114616, 176354)]