20860217

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 24727680

約数和(自身を除く): 3867463

約数列:

[1, 7, 53, 59, 371, 413, 953, 3127, 6671, 21889, 50509, 56227, 353563, 393589, 2980031, 20860217]

約数ペア:

[(1, 20860217), (7, 2980031), (53, 393589), (59, 353563), (371, 56227), (413, 50509), (953, 21889), (3127, 6671)]