20202845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4639}}^1$

素因数の和:4724

約数の個数: 16

約数和(自身を含む): 26503680

約数和(自身を除く): 6300835

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4639, 23195, 60307, 301535, 310813, 1554065, 4040569, 20202845]

約数ペア:

[(1, 20202845), (5, 4040569), (13, 1554065), (65, 310813), (67, 301535), (335, 60307), (871, 23195), (4355, 4639)]