20405124

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5503}}^1$

素因数の和:5616

約数の個数: 36

約数和(自身を含む): 52089856

約数和(自身を除く): 31684732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5503, 11006, 16509, 22012, 33018, 49527, 66036, 99054, 198108, 566809, 1133618, 1700427, 2267236, 3400854, 5101281, 6801708, 10202562, 20405124]

約数ペア:

[(1, 20405124), (2, 10202562), (3, 6801708), (4, 5101281), (6, 3400854), (9, 2267236), (12, 1700427), (18, 1133618), (36, 566809), (103, 198108), (206, 99054), (309, 66036), (412, 49527), (618, 33018), (927, 22012), (1236, 16509), (1854, 11006), (3708, 5503)]