20701814

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3463}}^1$

素因数の和:3540

約数の個数: 24

約数和(自身を含む): 36725328

約数和(自身を除く): 16023514

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3463, 5978, 6926, 24241, 48482, 169687, 211243, 339374, 422486, 1478701, 2957402, 10350907, 20701814]

約数ペア:

[(1, 20701814), (2, 10350907), (7, 2957402), (14, 1478701), (49, 422486), (61, 339374), (98, 211243), (122, 169687), (427, 48482), (854, 24241), (2989, 6926), (3463, 5978)]