20646966

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 22184394

約数列:

[1, 2, 3, 6, 43, 79, 86, 129, 158, 237, 258, 474, 1013, 2026, 3039, 3397, 6078, 6794, 10191, 20382, 43559, 80027, 87118, 130677, 160054, 240081, 261354, 480162, 3441161, 6882322, 10323483, 20646966]

約数ペア:

[(1, 20646966), (2, 10323483), (3, 6882322), (6, 3441161), (43, 480162), (79, 261354), (86, 240081), (129, 160054), (158, 130677), (237, 87118), (258, 80027), (474, 43559), (1013, 20382), (2026, 10191), (3039, 6794), (3397, 6078)]