20177488

素因数分解:

$2^4\times {\mathrm{1117}}^1\times {\mathrm{1129}}^1$

素因数の和:2254

約数の個数: 20

約数和(自身を含む): 39163540

約数和(自身を除く): 18986052

約数列:

[1, 2, 4, 8, 16, 1117, 1129, 2234, 2258, 4468, 4516, 8936, 9032, 17872, 18064, 1261093, 2522186, 5044372, 10088744, 20177488]

約数ペア:

[(1, 20177488), (2, 10088744), (4, 5044372), (8, 2522186), (16, 1261093), (1117, 18064), (1129, 17872), (2234, 9032), (2258, 8936), (4468, 4516)]