20551366

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:708

約数の個数: 24

約数和(自身を含む): 34157592

約数和(自身を除く): 13606226

約数列:

[1, 2, 11, 22, 121, 163, 242, 326, 521, 1042, 1793, 3586, 5731, 11462, 19723, 39446, 63041, 84923, 126082, 169846, 934153, 1868306, 10275683, 20551366]

約数ペア:

[(1, 20551366), (2, 10275683), (11, 1868306), (22, 934153), (121, 169846), (163, 126082), (242, 84923), (326, 63041), (521, 39446), (1042, 19723), (1793, 11462), (3586, 5731)]