20103376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40531}}^1$

素因数の和:40570

約数の個数: 20

約数和(自身を含む): 40207744

約数和(自身を除く): 20104368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40531, 81062, 162124, 324248, 648496, 1256461, 2512922, 5025844, 10051688, 20103376]

約数ペア:

[(1, 20103376), (2, 10051688), (4, 5025844), (8, 2512922), (16, 1256461), (31, 648496), (62, 324248), (124, 162124), (248, 81062), (496, 40531)]