2040394820

素因数分解:

$2^2\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{52291}}^1$

素因数の和:54251

約数の個数: 24

約数和(自身を含む): 4287107328

約数和(自身を除く): 2246712508

約数列:

[1, 2, 4, 5, 10, 20, 1951, 3902, 7804, 9755, 19510, 39020, 52291, 104582, 209164, 261455, 522910, 1045820, 102019741, 204039482, 408078964, 510098705, 1020197410, 2040394820]

約数ペア:

[(1, 2040394820), (2, 1020197410), (4, 510098705), (5, 408078964), (10, 204039482), (20, 102019741), (1951, 1045820), (3902, 522910), (7804, 261455), (9755, 209164), (19510, 104582), (39020, 52291)]