207969620

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{18211}}^1$

素因数の和:18791

約数の個数: 24

約数和(自身を含む): 437525088

約数和(自身を除く): 229555468

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 18211, 36422, 72844, 91055, 182110, 364220, 10398481, 20796962, 41593924, 51992405, 103984810, 207969620]

約数ペア:

[(1, 207969620), (2, 103984810), (4, 51992405), (5, 41593924), (10, 20796962), (20, 10398481), (571, 364220), (1142, 182110), (2284, 91055), (2855, 72844), (5710, 36422), (11420, 18211)]