20803318

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4159}}^1$

素因数の和:4263

約数の個数: 16

約数和(自身を含む): 32497920

約数和(自身を除く): 11694602

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4159, 5002, 8318, 170519, 253699, 341038, 507398, 10401659, 20803318]

約数ペア:

[(1, 20803318), (2, 10401659), (41, 507398), (61, 341038), (82, 253699), (122, 170519), (2501, 8318), (4159, 5002)]