20163021968

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{33703}}^1$

素因数の和:34119

約数の個数: 40

約数和(自身を含む): 39494347200

約数和(自身を除く): 19331325232

約数列:

[1, 2, 4, 8, 16, 139, 269, 278, 538, 556, 1076, 1112, 2152, 2224, 4304, 33703, 37391, 67406, 74782, 134812, 149564, 269624, 299128, 539248, 598256, 4684717, 9066107, 9369434, 18132214, 18738868, 36264428, 37477736, 72528856, 74955472, 145057712, 1260188873, 2520377746, 5040755492, 10081510984, 20163021968]

約数ペア:

[(1, 20163021968), (2, 10081510984), (4, 5040755492), (8, 2520377746), (16, 1260188873), (139, 145057712), (269, 74955472), (278, 72528856), (538, 37477736), (556, 36264428), (1076, 18738868), (1112, 18132214), (2152, 9369434), (2224, 9066107), (4304, 4684717), (33703, 598256), (37391, 539248), (67406, 299128), (74782, 269624), (134812, 149564)]