20512120695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7312699}}^1$

素因数の和:7312735

約数の個数: 32

約数和(自身を含む): 37909036800

約数和(自身を除く): 17396916105

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7312699, 21938097, 36563495, 80439689, 109690485, 124315883, 241319067, 372947649, 402198445, 621579415, 1206595335, 1367474713, 1864738245, 4102424139, 6837373565, 20512120695]

約数ペア:

[(1, 20512120695), (3, 6837373565), (5, 4102424139), (11, 1864738245), (15, 1367474713), (17, 1206595335), (33, 621579415), (51, 402198445), (55, 372947649), (85, 241319067), (165, 124315883), (187, 109690485), (255, 80439689), (561, 36563495), (935, 21938097), (2805, 7312699)]