20199821645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{564793}}^1$

素因数の和:565132

約数の個数: 16

約数和(自身を含む): 25375064832

約数和(自身を除く): 5175243187

約数列:

[1, 5, 23, 115, 311, 1555, 7153, 35765, 564793, 2823965, 12990239, 64951195, 175650623, 878253115, 4039964329, 20199821645]

約数ペア:

[(1, 20199821645), (5, 4039964329), (23, 878253115), (115, 175650623), (311, 64951195), (1555, 12990239), (7153, 2823965), (35765, 564793)]