20351696

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21559}}^1$

素因数の和:21626

約数の個数: 20

約数和(自身を含む): 40101600

約数和(自身を除く): 19749904

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21559, 43118, 86236, 172472, 344944, 1271981, 2543962, 5087924, 10175848, 20351696]

約数ペア:

[(1, 20351696), (2, 10175848), (4, 5087924), (8, 2543962), (16, 1271981), (59, 344944), (118, 172472), (236, 86236), (472, 43118), (944, 21559)]