1921036220

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{66749}}^1$

素因数の和:68197

約数の個数: 24

約数和(自身を含む): 4037040000

約数和(自身を除く): 2116003780

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 14390, 28780, 66749, 133498, 266996, 333745, 667490, 1334980, 96051811, 192103622, 384207244, 480259055, 960518110, 1921036220]

約数ペア:

[(1, 1921036220), (2, 960518110), (4, 480259055), (5, 384207244), (10, 192103622), (20, 96051811), (1439, 1334980), (2878, 667490), (5756, 333745), (7195, 266996), (14390, 133498), (28780, 66749)]