20157876844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{70657}}^1$

素因数の和:71134

約数の個数: 48

約数和(自身を含む): 42164172288

約数和(自身を除く): 22006295444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 443, 644, 886, 1772, 3101, 6202, 10189, 12404, 20378, 40756, 70657, 71323, 141314, 142646, 282628, 285292, 494599, 989198, 1625111, 1978396, 3250222, 6500444, 11375777, 22751554, 31301051, 45503108, 62602102, 125204204, 219107357, 438214714, 719924173, 876429428, 1439848346, 2879696692, 5039469211, 10078938422, 20157876844]

約数ペア:

[(1, 20157876844), (2, 10078938422), (4, 5039469211), (7, 2879696692), (14, 1439848346), (23, 876429428), (28, 719924173), (46, 438214714), (92, 219107357), (161, 125204204), (322, 62602102), (443, 45503108), (644, 31301051), (886, 22751554), (1772, 11375777), (3101, 6500444), (6202, 3250222), (10189, 1978396), (12404, 1625111), (20378, 989198), (40756, 494599), (70657, 285292), (71323, 282628), (141314, 142646)]