20336485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27998208

約数和(自身を除く): 7661723

約数列:

[1, 5, 13, 23, 61, 65, 115, 223, 299, 305, 793, 1115, 1403, 1495, 2899, 3965, 5129, 7015, 13603, 14495, 18239, 25645, 66677, 68015, 91195, 176839, 312869, 333385, 884195, 1564345, 4067297, 20336485]

約数ペア:

[(1, 20336485), (5, 4067297), (13, 1564345), (23, 884195), (61, 333385), (65, 312869), (115, 176839), (223, 91195), (299, 68015), (305, 66677), (793, 25645), (1115, 18239), (1403, 14495), (1495, 13603), (2899, 7015), (3965, 5129)]