201969580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{30509}}^1$

素因数の和:30849

約数の個数: 24

約数和(自身を含む): 425431440

約数和(自身を除く): 223461860

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 30509, 61018, 122036, 152545, 305090, 610180, 10098479, 20196958, 40393916, 50492395, 100984790, 201969580]

約数ペア:

[(1, 201969580), (2, 100984790), (4, 50492395), (5, 40393916), (10, 20196958), (20, 10098479), (331, 610180), (662, 305090), (1324, 152545), (1655, 122036), (3310, 61018), (6620, 30509)]