20165990523

素因数分解:

$3^1\times 7^2\times {\mathrm{1621}}^1\times {\mathrm{84629}}^1$

素因数の和:86267

約数の個数: 24

約数和(自身を含む): 31297528080

約数和(自身を除く): 11131537557

約数列:

[1, 3, 7, 21, 49, 147, 1621, 4863, 11347, 34041, 79429, 84629, 238287, 253887, 592403, 1777209, 4146821, 12440463, 137183609, 411550827, 960285263, 2880855789, 6721996841, 20165990523]

約数ペア:

[(1, 20165990523), (3, 6721996841), (7, 2880855789), (21, 960285263), (49, 411550827), (147, 137183609), (1621, 12440463), (4863, 4146821), (11347, 1777209), (34041, 592403), (79429, 253887), (84629, 238287)]