20404854

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{6263}}^1$

素因数の和:6452

約数の個数: 24

約数和(自身を含む): 44461872

約数和(自身を除く): 24057018

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 6263, 12526, 18789, 37578, 56367, 112734, 1133603, 2267206, 3400809, 6801618, 10202427, 20404854]

約数ペア:

[(1, 20404854), (2, 10202427), (3, 6801618), (6, 3400809), (9, 2267206), (18, 1133603), (181, 112734), (362, 56367), (543, 37578), (1086, 18789), (1629, 12526), (3258, 6263)]