19977380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58757}}^1$

素因数の和:58783

約数の個数: 24

約数和(自身を含む): 44421048

約数和(自身を除く): 24443668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58757, 117514, 235028, 293785, 587570, 998869, 1175140, 1997738, 3995476, 4994345, 9988690, 19977380]

約数ペア:

[(1, 19977380), (2, 9988690), (4, 4994345), (5, 3995476), (10, 1997738), (17, 1175140), (20, 998869), (34, 587570), (68, 293785), (85, 235028), (170, 117514), (340, 58757)]