20042529

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{787}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 28859712

約数和(自身を除く): 8817183

約数列:

[1, 3, 13, 39, 653, 787, 1959, 2361, 8489, 10231, 25467, 30693, 513911, 1541733, 6680843, 20042529]

約数ペア:

[(1, 20042529), (3, 6680843), (13, 1541733), (39, 513911), (653, 30693), (787, 25467), (1959, 10231), (2361, 8489)]