20827275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{39671}}^1$

素因数の和:39691

約数の個数: 24

約数和(自身を含む): 39354624

約数和(自身を除く): 18527349

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 39671, 119013, 198355, 277697, 595065, 833091, 991775, 1388485, 2975325, 4165455, 6942425, 20827275]

約数ペア:

[(1, 20827275), (3, 6942425), (5, 4165455), (7, 2975325), (15, 1388485), (21, 991775), (25, 833091), (35, 595065), (75, 277697), (105, 198355), (175, 119013), (525, 39671)]