20163798545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3361}}^1\times {\mathrm{5741}}^1$

素因数の和:9137

約数の個数: 32

約数和(自身を含む): 27798629760

約数和(自身を除く): 7634831215

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 3361, 5741, 16805, 28705, 36971, 63151, 63859, 109079, 184855, 315755, 319295, 545395, 702449, 1199869, 3512245, 5999345, 19295501, 96477505, 212250511, 366614519, 1061252555, 1833072595, 4032759709, 20163798545]

約数ペア:

[(1, 20163798545), (5, 4032759709), (11, 1833072595), (19, 1061252555), (55, 366614519), (95, 212250511), (209, 96477505), (1045, 19295501), (3361, 5999345), (5741, 3512245), (16805, 1199869), (28705, 702449), (36971, 545395), (63151, 319295), (63859, 315755), (109079, 184855)]