200920892

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{173807}}^1$

素因数の和:173845

約数の個数: 18

約数和(自身を含む): 373513392

約数和(自身を除く): 172592500

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 173807, 347614, 695228, 2954719, 5909438, 11818876, 50230223, 100460446, 200920892]

約数ペア:

[(1, 200920892), (2, 100460446), (4, 50230223), (17, 11818876), (34, 5909438), (68, 2954719), (289, 695228), (578, 347614), (1156, 173807)]