20787765

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 13564875

約数列:

[1, 3, 5, 15, 59, 83, 177, 249, 283, 295, 415, 849, 885, 1245, 1415, 4245, 4897, 14691, 16697, 23489, 24485, 50091, 70467, 73455, 83485, 117445, 250455, 352335, 1385851, 4157553, 6929255, 20787765]

約数ペア:

[(1, 20787765), (3, 6929255), (5, 4157553), (15, 1385851), (59, 352335), (83, 250455), (177, 117445), (249, 83485), (283, 73455), (295, 70467), (415, 50091), (849, 24485), (885, 23489), (1245, 16697), (1415, 14691), (4245, 4897)]