20178984536

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{2131}}^1\times {\mathrm{14983}}^1$

素因数の和:17199

約数の個数: 32

約数和(自身を含む): 38335065600

約数和(自身を除く): 18156081064

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 2131, 4262, 8524, 14983, 17048, 29966, 59932, 119864, 168349, 336698, 673396, 1183657, 1346792, 2367314, 4734628, 9469256, 31928773, 63857546, 127715092, 255430184, 2522373067, 5044746134, 10089492268, 20178984536]

約数ペア:

[(1, 20178984536), (2, 10089492268), (4, 5044746134), (8, 2522373067), (79, 255430184), (158, 127715092), (316, 63857546), (632, 31928773), (2131, 9469256), (4262, 4734628), (8524, 2367314), (14983, 1346792), (17048, 1183657), (29966, 673396), (59932, 336698), (119864, 168349)]