20472292

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16218908

約数列:

[1, 2, 4, 59, 118, 223, 236, 389, 446, 778, 892, 1556, 13157, 22951, 26314, 45902, 52628, 86747, 91804, 173494, 346988, 5118073, 10236146, 20472292]

約数ペア:

[(1, 20472292), (2, 10236146), (4, 5118073), (59, 346988), (118, 173494), (223, 91804), (236, 86747), (389, 52628), (446, 45902), (778, 26314), (892, 22951), (1556, 13157)]