20895674

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6359}}^1$

素因数の和:6445

約数の個数: 16

約数和(自身を含む): 32970240

約数和(自身を除く): 12074566

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 6359, 12718, 197129, 337027, 394258, 674054, 10447837, 20895674]

約数ペア:

[(1, 20895674), (2, 10447837), (31, 674054), (53, 394258), (62, 337027), (106, 197129), (1643, 12718), (3286, 6359)]