20966038

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{881}}^1$

素因数の和:1119

約数の個数: 16

約数和(自身を含む): 32111856

約数和(自身を除く): 11145818

約数列:

[1, 2, 73, 146, 163, 326, 881, 1762, 11899, 23798, 64313, 128626, 143603, 287206, 10483019, 20966038]

約数ペア:

[(1, 20966038), (2, 10483019), (73, 287206), (146, 143603), (163, 128626), (326, 64313), (881, 23798), (1762, 11899)]