4002020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18191}}^1$

素因数の和:18211

約数の個数: 24

約数和(自身を含む): 9168768

約数和(自身を除く): 5166748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18191, 36382, 72764, 90955, 181910, 200101, 363820, 400202, 800404, 1000505, 2001010, 4002020]

約数ペア:

[(1, 4002020), (2, 2001010), (4, 1000505), (5, 800404), (10, 400202), (11, 363820), (20, 200101), (22, 181910), (44, 90955), (55, 72764), (110, 36382), (220, 18191)]