20293724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7561}}^1$

素因数の和:7637

約数の個数: 24

約数和(自身を含む): 39382896

約数和(自身を除く): 19089172

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7561, 15122, 30244, 83171, 166342, 332684, 461221, 922442, 1844884, 5073431, 10146862, 20293724]

約数ペア:

[(1, 20293724), (2, 10146862), (4, 5073431), (11, 1844884), (22, 922442), (44, 461221), (61, 332684), (122, 166342), (244, 83171), (671, 30244), (1342, 15122), (2684, 7561)]