20180778064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74194037}}^1$

素因数の和:74194062

約数の個数: 20

約数和(自身を含む): 41400273204

約数和(自身を除く): 21219495140

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74194037, 148388074, 296776148, 593552296, 1187104592, 1261298629, 2522597258, 5045194516, 10090389032, 20180778064]

約数ペア:

[(1, 20180778064), (2, 10090389032), (4, 5045194516), (8, 2522597258), (16, 1261298629), (17, 1187104592), (34, 593552296), (68, 296776148), (136, 148388074), (272, 74194037)]