20741454

素因数分解:

$2^1\times 3^3\times {\mathrm{191}}^1\times {\mathrm{2011}}^1$

素因数の和:2213

約数の個数: 32

約数和(自身を含む): 46356480

約数和(自身を除く): 25615026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 191, 382, 573, 1146, 1719, 2011, 3438, 4022, 5157, 6033, 10314, 12066, 18099, 36198, 54297, 108594, 384101, 768202, 1152303, 2304606, 3456909, 6913818, 10370727, 20741454]

約数ペア:

[(1, 20741454), (2, 10370727), (3, 6913818), (6, 3456909), (9, 2304606), (18, 1152303), (27, 768202), (54, 384101), (191, 108594), (382, 54297), (573, 36198), (1146, 18099), (1719, 12066), (2011, 10314), (3438, 6033), (4022, 5157)]