20920962

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 43211520

約数和(自身を除く): 22290558

約数列:

[1, 2, 3, 6, 43, 86, 129, 131, 258, 262, 393, 619, 786, 1238, 1857, 3714, 5633, 11266, 16899, 26617, 33798, 53234, 79851, 81089, 159702, 162178, 243267, 486534, 3486827, 6973654, 10460481, 20920962]

約数ペア:

[(1, 20920962), (2, 10460481), (3, 6973654), (6, 3486827), (43, 486534), (86, 243267), (129, 162178), (131, 159702), (258, 81089), (262, 79851), (393, 53234), (619, 33798), (786, 26617), (1238, 16899), (1857, 11266), (3714, 5633)]