20196496220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2342981}}^1$

素因数の和:2343421

約数の個数: 24

約数和(自身を含む): 42511065408

約数和(自身を除く): 22314569188

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 2342981, 4685962, 9371924, 11714905, 23429810, 46859620, 1009824811, 2019649622, 4039299244, 5049124055, 10098248110, 20196496220]

約数ペア:

[(1, 20196496220), (2, 10098248110), (4, 5049124055), (5, 4039299244), (10, 2019649622), (20, 1009824811), (431, 46859620), (862, 23429810), (1724, 11714905), (2155, 9371924), (4310, 4685962), (8620, 2342981)]