20132651320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1\times {\mathrm{4357}}^1$

素因数の和:5048

約数の個数: 64

約数和(自身を含む): 45575964000

約数和(自身を除く): 25443312680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 349, 662, 698, 1324, 1396, 1655, 1745, 2648, 2792, 3310, 3490, 4357, 6620, 6980, 8714, 13240, 13960, 17428, 21785, 34856, 43570, 87140, 115519, 174280, 231038, 462076, 577595, 924152, 1155190, 1442167, 1520593, 2310380, 2884334, 3041186, 4620760, 5768668, 6082372, 7210835, 7602965, 11537336, 12164744, 14421670, 15205930, 28843340, 30411860, 57686680, 60823720, 503316283, 1006632566, 2013265132, 2516581415, 4026530264, 5033162830, 10066325660, 20132651320]

約数ペア:

[(1, 20132651320), (2, 10066325660), (4, 5033162830), (5, 4026530264), (8, 2516581415), (10, 2013265132), (20, 1006632566), (40, 503316283), (331, 60823720), (349, 57686680), (662, 30411860), (698, 28843340), (1324, 15205930), (1396, 14421670), (1655, 12164744), (1745, 11537336), (2648, 7602965), (2792, 7210835), (3310, 6082372), (3490, 5768668), (4357, 4620760), (6620, 3041186), (6980, 2884334), (8714, 2310380), (13240, 1520593), (13960, 1442167), (17428, 1155190), (21785, 924152), (34856, 577595), (43570, 462076), (87140, 231038), (115519, 174280)]