20032415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 26369568

約数和(自身を除く): 6337153

約数列:

[1, 5, 13, 65, 151, 157, 169, 755, 785, 845, 1963, 2041, 9815, 10205, 23707, 25519, 26533, 118535, 127595, 132665, 308191, 1540955, 4006483, 20032415]

約数ペア:

[(1, 20032415), (5, 4006483), (13, 1540955), (65, 308191), (151, 132665), (157, 127595), (169, 118535), (755, 26533), (785, 25519), (845, 23707), (1963, 10205), (2041, 9815)]