220488220

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{16729}}^1$

素因数の和:17397

約数の個数: 24

約数和(自身を含む): 463755600

約数和(自身を除く): 243267380

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 13180, 16729, 33458, 66916, 83645, 167290, 334580, 11024411, 22048822, 44097644, 55122055, 110244110, 220488220]

約数ペア:

[(1, 220488220), (2, 110244110), (4, 55122055), (5, 44097644), (10, 22048822), (20, 11024411), (659, 334580), (1318, 167290), (2636, 83645), (3295, 66916), (6590, 33458), (13180, 16729)]