20217904561

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1\times {\mathrm{16921}}^1$

素因数の和:17752

約数の個数: 16

約数和(自身を含む): 21276775168

約数和(自身を除く): 1058870607

約数列:

[1, 37, 43, 751, 1591, 16921, 27787, 32293, 626077, 727603, 1194841, 12707671, 26921311, 470183827, 546429853, 20217904561]

約数ペア:

[(1, 20217904561), (37, 546429853), (43, 470183827), (751, 26921311), (1591, 12707671), (16921, 1194841), (27787, 727603), (32293, 626077)]