20512695525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{439009}}^1$

素因数の和:439118

約数の個数: 48

約数和(自身を含む): 39194812800

約数和(自身を除く): 18682117275

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 89, 105, 175, 267, 445, 525, 623, 1335, 1869, 2225, 3115, 6675, 9345, 15575, 46725, 439009, 1317027, 2195045, 3073063, 6585135, 9219189, 10975225, 15365315, 32925675, 39071801, 46095945, 76826575, 117215403, 195359005, 230479725, 273502607, 586077015, 820507821, 976795025, 1367513035, 2930385075, 4102539105, 6837565175, 20512695525]

約数ペア:

[(1, 20512695525), (3, 6837565175), (5, 4102539105), (7, 2930385075), (15, 1367513035), (21, 976795025), (25, 820507821), (35, 586077015), (75, 273502607), (89, 230479725), (105, 195359005), (175, 117215403), (267, 76826575), (445, 46095945), (525, 39071801), (623, 32925675), (1335, 15365315), (1869, 10975225), (2225, 9219189), (3115, 6585135), (6675, 3073063), (9345, 2195045), (15575, 1317027), (46725, 439009)]