20168628487

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{114749}}^1$

素因数の和:114991

約数の個数: 24

約数和(自身を含む): 24959502000

約数和(自身を除く): 4790873513

約数列:

[1, 7, 17, 49, 119, 211, 833, 1477, 3587, 10339, 25109, 114749, 175763, 803243, 1950733, 5622701, 13655131, 24212039, 95585917, 169484273, 411604663, 1186389911, 2881232641, 20168628487]

約数ペア:

[(1, 20168628487), (7, 2881232641), (17, 1186389911), (49, 411604663), (119, 169484273), (211, 95585917), (833, 24212039), (1477, 13655131), (3587, 5622701), (10339, 1950733), (25109, 803243), (114749, 175763)]