20210264

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19188136

約数列:

[1, 2, 4, 8, 31, 62, 124, 227, 248, 359, 454, 718, 908, 1436, 1816, 2872, 7037, 11129, 14074, 22258, 28148, 44516, 56296, 81493, 89032, 162986, 325972, 651944, 2526283, 5052566, 10105132, 20210264]

約数ペア:

[(1, 20210264), (2, 10105132), (4, 5052566), (8, 2526283), (31, 651944), (62, 325972), (124, 162986), (227, 89032), (248, 81493), (359, 56296), (454, 44516), (718, 28148), (908, 22258), (1436, 14074), (1816, 11129), (2872, 7037)]