20804974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9133}}^1$

素因数の和:9219

約数の個数: 16

約数和(自身を含む): 33540048

約数和(自身を除く): 12735074

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9133, 18266, 155261, 310522, 611911, 1223822, 10402487, 20804974]

約数ペア:

[(1, 20804974), (2, 10402487), (17, 1223822), (34, 611911), (67, 310522), (134, 155261), (1139, 18266), (2278, 9133)]