20320438

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1831}}^1$

素因数の和:2043

約数の個数: 16

約数和(自身を含む): 31656960

約数和(自身を除く): 11336522

約数列:

[1, 2, 31, 62, 179, 358, 1831, 3662, 5549, 11098, 56761, 113522, 327749, 655498, 10160219, 20320438]

約数ペア:

[(1, 20320438), (2, 10160219), (31, 655498), (62, 327749), (179, 113522), (358, 56761), (1831, 11098), (3662, 5549)]