20901090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99529}}^1$

素因数の和:99546

約数の個数: 32

約数和(自身を含む): 57329280

約数和(自身を除く): 36428190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99529, 199058, 298587, 497645, 597174, 696703, 995290, 1393406, 1492935, 2090109, 2985870, 3483515, 4180218, 6967030, 10450545, 20901090]

約数ペア:

[(1, 20901090), (2, 10450545), (3, 6967030), (5, 4180218), (6, 3483515), (7, 2985870), (10, 2090109), (14, 1492935), (15, 1393406), (21, 995290), (30, 696703), (35, 597174), (42, 497645), (70, 298587), (105, 199058), (210, 99529)]