20100805

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 24952320

約数和(自身を除く): 4851515

約数列:

[1, 5, 37, 179, 185, 607, 895, 3035, 6623, 22459, 33115, 108653, 112295, 543265, 4020161, 20100805]

約数ペア:

[(1, 20100805), (5, 4020161), (37, 543265), (179, 112295), (185, 108653), (607, 33115), (895, 22459), (3035, 6623)]