20184767668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{639487}}^1$

素因数の和:640111

約数の個数: 24

約数和(自身を含む): 38103252992

約数和(自身を除く): 17918485324

約数列:

[1, 2, 4, 13, 26, 52, 607, 1214, 2428, 7891, 15782, 31564, 639487, 1278974, 2557948, 8313331, 16626662, 33253324, 388168609, 776337218, 1552674436, 5046191917, 10092383834, 20184767668]

約数ペア:

[(1, 20184767668), (2, 10092383834), (4, 5046191917), (13, 1552674436), (26, 776337218), (52, 388168609), (607, 33253324), (1214, 16626662), (2428, 8313331), (7891, 2557948), (15782, 1278974), (31564, 639487)]