20215181820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2652911}}^1$

素因数の和:2653050

約数の個数: 48

約数和(自身を含む): 57048219648

約数和(自身を除く): 36833037828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810, 7620, 2652911, 5305822, 7958733, 10611644, 13264555, 15917466, 26529110, 31834932, 39793665, 53058220, 79587330, 159174660, 336919697, 673839394, 1010759091, 1347678788, 1684598485, 2021518182, 3369196970, 4043036364, 5053795455, 6738393940, 10107590910, 20215181820]

約数ペア:

[(1, 20215181820), (2, 10107590910), (3, 6738393940), (4, 5053795455), (5, 4043036364), (6, 3369196970), (10, 2021518182), (12, 1684598485), (15, 1347678788), (20, 1010759091), (30, 673839394), (60, 336919697), (127, 159174660), (254, 79587330), (381, 53058220), (508, 39793665), (635, 31834932), (762, 26529110), (1270, 15917466), (1524, 13264555), (1905, 10611644), (2540, 7958733), (3810, 5305822), (7620, 2652911)]