20517645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 13852275

約数列:

[1, 3, 5, 15, 29, 87, 101, 145, 303, 435, 467, 505, 1401, 1515, 2335, 2929, 7005, 8787, 13543, 14645, 40629, 43935, 47167, 67715, 141501, 203145, 235835, 707505, 1367843, 4103529, 6839215, 20517645]

約数ペア:

[(1, 20517645), (3, 6839215), (5, 4103529), (15, 1367843), (29, 707505), (87, 235835), (101, 203145), (145, 141501), (303, 67715), (435, 47167), (467, 43935), (505, 40629), (1401, 14645), (1515, 13543), (2335, 8787), (2929, 7005)]