20472948

素因数分解:

$2^2\times 3^2\times {\mathrm{691}}^1\times {\mathrm{823}}^1$

素因数の和:1524

約数の個数: 36

約数和(自身を含む): 51888928

約数和(自身を除く): 31415980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 691, 823, 1382, 1646, 2073, 2469, 2764, 3292, 4146, 4938, 6219, 7407, 8292, 9876, 12438, 14814, 24876, 29628, 568693, 1137386, 1706079, 2274772, 3412158, 5118237, 6824316, 10236474, 20472948]

約数ペア:

[(1, 20472948), (2, 10236474), (3, 6824316), (4, 5118237), (6, 3412158), (9, 2274772), (12, 1706079), (18, 1137386), (36, 568693), (691, 29628), (823, 24876), (1382, 14814), (1646, 12438), (2073, 9876), (2469, 8292), (2764, 7407), (3292, 6219), (4146, 4938)]