20171463940

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1\times {\mathrm{7669}}^1$

素因数の和:8404

約数の個数: 48

約数和(自身を含む): 42599793600

約数和(自身を除く): 22428329660

約数列:

[1, 2, 4, 5, 10, 20, 347, 379, 694, 758, 1388, 1516, 1735, 1895, 3470, 3790, 6940, 7580, 7669, 15338, 30676, 38345, 76690, 131513, 153380, 263026, 526052, 657565, 1315130, 2630260, 2661143, 2906551, 5322286, 5813102, 10644572, 11626204, 13305715, 14532755, 26611430, 29065510, 53222860, 58131020, 1008573197, 2017146394, 4034292788, 5042865985, 10085731970, 20171463940]

約数ペア:

[(1, 20171463940), (2, 10085731970), (4, 5042865985), (5, 4034292788), (10, 2017146394), (20, 1008573197), (347, 58131020), (379, 53222860), (694, 29065510), (758, 26611430), (1388, 14532755), (1516, 13305715), (1735, 11626204), (1895, 10644572), (3470, 5813102), (3790, 5322286), (6940, 2906551), (7580, 2661143), (7669, 2630260), (15338, 1315130), (30676, 657565), (38345, 526052), (76690, 263026), (131513, 153380)]