20079929090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{120767}}^1$

素因数の和:122066

約数の個数: 32

約数和(自身を含む): 38954926080

約数和(自身を除く): 18874996990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1279, 2558, 6395, 12790, 16627, 33254, 83135, 120767, 166270, 241534, 603835, 1207670, 1569971, 3139942, 7849855, 15699710, 154460993, 308921986, 772304965, 1544609930, 2007992909, 4015985818, 10039964545, 20079929090]

約数ペア:

[(1, 20079929090), (2, 10039964545), (5, 4015985818), (10, 2007992909), (13, 1544609930), (26, 772304965), (65, 308921986), (130, 154460993), (1279, 15699710), (2558, 7849855), (6395, 3139942), (12790, 1569971), (16627, 1207670), (33254, 603835), (83135, 241534), (120767, 166270)]