20172321380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3490021}}^1$

素因数の和:3490064

約数の個数: 36

約数和(自身を含む): 45000343668

約数和(自身を除く): 24828022288

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 3490021, 6980042, 13960084, 17450105, 34900210, 59330357, 69800420, 118660714, 237321428, 296651785, 593303570, 1008616069, 1186607140, 2017232138, 4034464276, 5043080345, 10086160690, 20172321380]

約数ペア:

[(1, 20172321380), (2, 10086160690), (4, 5043080345), (5, 4034464276), (10, 2017232138), (17, 1186607140), (20, 1008616069), (34, 593303570), (68, 296651785), (85, 237321428), (170, 118660714), (289, 69800420), (340, 59330357), (578, 34900210), (1156, 17450105), (1445, 13960084), (2890, 6980042), (5780, 3490021)]