20021444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3727}}^1$

素因数の和:3827

約数の個数: 24

約数和(自身を含む): 37578240

約数和(自身を除く): 17556796

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 3727, 5372, 7454, 14908, 63359, 126718, 253436, 294433, 588866, 1177732, 5005361, 10010722, 20021444]

約数ペア:

[(1, 20021444), (2, 10010722), (4, 5005361), (17, 1177732), (34, 588866), (68, 294433), (79, 253436), (158, 126718), (316, 63359), (1343, 14908), (2686, 7454), (3727, 5372)]