20126480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22871}}^1$

素因数の和:22895

約数の個数: 40

約数和(自身を含む): 51050304

約数和(自身を除く): 30923824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22871, 45742, 91484, 114355, 182968, 228710, 251581, 365936, 457420, 503162, 914840, 1006324, 1257905, 1829680, 2012648, 2515810, 4025296, 5031620, 10063240, 20126480]

約数ペア:

[(1, 20126480), (2, 10063240), (4, 5031620), (5, 4025296), (8, 2515810), (10, 2012648), (11, 1829680), (16, 1257905), (20, 1006324), (22, 914840), (40, 503162), (44, 457420), (55, 365936), (80, 251581), (88, 228710), (110, 182968), (176, 114355), (220, 91484), (440, 45742), (880, 22871)]