20500758

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18671}}^1$

素因数の和:18740

約数の個数: 24

約数和(自身を含む): 45148896

約数和(自身を除く): 24648138

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 18671, 37342, 56013, 112026, 168039, 336078, 1138931, 2277862, 3416793, 6833586, 10250379, 20500758]

約数ペア:

[(1, 20500758), (2, 10250379), (3, 6833586), (6, 3416793), (9, 2277862), (18, 1138931), (61, 336078), (122, 168039), (183, 112026), (366, 56013), (549, 37342), (1098, 18671)]