20094140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 26324260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 613, 745, 1226, 1490, 1639, 2452, 2980, 3065, 3278, 6130, 6556, 6743, 8195, 12260, 13486, 16390, 26972, 32780, 33715, 67430, 91337, 134860, 182674, 365348, 456685, 913370, 1004707, 1826740, 2009414, 4018828, 5023535, 10047070, 20094140]

約数ペア:

[(1, 20094140), (2, 10047070), (4, 5023535), (5, 4018828), (10, 2009414), (11, 1826740), (20, 1004707), (22, 913370), (44, 456685), (55, 365348), (110, 182674), (149, 134860), (220, 91337), (298, 67430), (596, 33715), (613, 32780), (745, 26972), (1226, 16390), (1490, 13486), (1639, 12260), (2452, 8195), (2980, 6743), (3065, 6556), (3278, 6130)]