20156764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{643}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 37488528

約数和(自身を除く): 17331764

約数列:

[1, 2, 4, 17, 34, 68, 461, 643, 922, 1286, 1844, 2572, 7837, 10931, 15674, 21862, 31348, 43724, 296423, 592846, 1185692, 5039191, 10078382, 20156764]

約数ペア:

[(1, 20156764), (2, 10078382), (4, 5039191), (17, 1185692), (34, 592846), (68, 296423), (461, 43724), (643, 31348), (922, 21862), (1286, 15674), (1844, 10931), (2572, 7837)]