20178097620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1\times {\mathrm{1291}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 56785322496

約数和(自身を除く): 36607224876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 787, 993, 1291, 1324, 1574, 1655, 1986, 2361, 2582, 3148, 3310, 3873, 3935, 3972, 4722, 4965, 5164, 6455, 6620, 7746, 7870, 9444, 9930, 11805, 12910, 15492, 15740, 19365, 19860, 23610, 25820, 38730, 47220, 77460, 260497, 427321, 520994, 781491, 854642, 1016017, 1041988, 1281963, 1302485, 1562982, 1709284, 2032034, 2136605, 2563926, 2604970, 3048051, 3125964, 3907455, 4064068, 4273210, 5080085, 5127852, 5209940, 6096102, 6409815, 7814910, 8546420, 10160170, 12192204, 12819630, 15240255, 15629820, 20320340, 25639260, 30480510, 60961020, 336301627, 672603254, 1008904881, 1345206508, 1681508135, 2017809762, 3363016270, 4035619524, 5044524405, 6726032540, 10089048810, 20178097620]

約数ペア:

[(1, 20178097620), (2, 10089048810), (3, 6726032540), (4, 5044524405), (5, 4035619524), (6, 3363016270), (10, 2017809762), (12, 1681508135), (15, 1345206508), (20, 1008904881), (30, 672603254), (60, 336301627), (331, 60961020), (662, 30480510), (787, 25639260), (993, 20320340), (1291, 15629820), (1324, 15240255), (1574, 12819630), (1655, 12192204), (1986, 10160170), (2361, 8546420), (2582, 7814910), (3148, 6409815), (3310, 6096102), (3873, 5209940), (3935, 5127852), (3972, 5080085), (4722, 4273210), (4965, 4064068), (5164, 3907455), (6455, 3125964), (6620, 3048051), (7746, 2604970), (7870, 2563926), (9444, 2136605), (9930, 2032034), (11805, 1709284), (12910, 1562982), (15492, 1302485), (15740, 1281963), (19365, 1041988), (19860, 1016017), (23610, 854642), (25820, 781491), (38730, 520994), (47220, 427321), (77460, 260497)]