20380158

素因数分解:

$2^1\times 3^2\times {\mathrm{499}}^1\times {\mathrm{2269}}^1$

素因数の和:2776

約数の個数: 24

約数和(自身を含む): 44265000

約数和(自身を除く): 23884842

約数列:

[1, 2, 3, 6, 9, 18, 499, 998, 1497, 2269, 2994, 4491, 4538, 6807, 8982, 13614, 20421, 40842, 1132231, 2264462, 3396693, 6793386, 10190079, 20380158]

約数ペア:

[(1, 20380158), (2, 10190079), (3, 6793386), (6, 3396693), (9, 2264462), (18, 1132231), (499, 40842), (998, 20421), (1497, 13614), (2269, 8982), (2994, 6807), (4491, 4538)]