20292988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1949}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 37674000

約数和(自身を除く): 17381012

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 1949, 2603, 3898, 5206, 7796, 10412, 37031, 74062, 148124, 267013, 534026, 1068052, 5073247, 10146494, 20292988]

約数ペア:

[(1, 20292988), (2, 10146494), (4, 5073247), (19, 1068052), (38, 534026), (76, 267013), (137, 148124), (274, 74062), (548, 37031), (1949, 10412), (2603, 7796), (3898, 5206)]