20907738

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31393}}^1$

素因数の和:31438

約数の個数: 24

約数和(自身を含む): 46525908

約数和(自身を除く): 25618170

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31393, 62786, 94179, 188358, 282537, 565074, 1161541, 2323082, 3484623, 6969246, 10453869, 20907738]

約数ペア:

[(1, 20907738), (2, 10453869), (3, 6969246), (6, 3484623), (9, 2323082), (18, 1161541), (37, 565074), (74, 282537), (111, 188358), (222, 94179), (333, 62786), (666, 31393)]