20537524

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6491}}^1$

素因数の和:6615

約数の個数: 24

約数和(自身を含む): 41444928

約数和(自身を除く): 20907404

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6491, 12982, 25964, 45437, 90874, 181748, 733483, 1466966, 2933932, 5134381, 10268762, 20537524]

約数ペア:

[(1, 20537524), (2, 10268762), (4, 5134381), (7, 2933932), (14, 1466966), (28, 733483), (113, 181748), (226, 90874), (452, 45437), (791, 25964), (1582, 12982), (3164, 6491)]