20181646135

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1\times {\mathrm{22271}}^1$

素因数の和:23823

約数の個数: 32

約数和(自身を含む): 29326344192

約数和(自身を除く): 9144698057

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 1523, 7615, 10661, 22271, 25891, 53305, 111355, 129455, 155897, 181237, 378607, 779485, 906185, 1893035, 2650249, 13251245, 33918733, 169593665, 237431131, 576618461, 1187155655, 2883092305, 4036329227, 20181646135]

約数ペア:

[(1, 20181646135), (5, 4036329227), (7, 2883092305), (17, 1187155655), (35, 576618461), (85, 237431131), (119, 169593665), (595, 33918733), (1523, 13251245), (7615, 2650249), (10661, 1893035), (22271, 906185), (25891, 779485), (53305, 378607), (111355, 181237), (129455, 155897)]