20059831856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{442861}}^1$

素因数の和:443037

約数の個数: 40

約数和(自身を含む): 41186166000

約数和(自身を除く): 21126334144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 596, 1192, 2384, 2831, 5662, 11324, 22648, 45296, 442861, 885722, 1771444, 3542888, 7085776, 8414359, 16828718, 33657436, 65986289, 67314872, 131972578, 134629744, 263945156, 527890312, 1055780624, 1253739491, 2507478982, 5014957964, 10029915928, 20059831856]

約数ペア:

[(1, 20059831856), (2, 10029915928), (4, 5014957964), (8, 2507478982), (16, 1253739491), (19, 1055780624), (38, 527890312), (76, 263945156), (149, 134629744), (152, 131972578), (298, 67314872), (304, 65986289), (596, 33657436), (1192, 16828718), (2384, 8414359), (2831, 7085776), (5662, 3542888), (11324, 1771444), (22648, 885722), (45296, 442861)]