20454684

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12263}}^1$

素因数の和:12409

約数の個数: 24

約数和(自身を含む): 48074880

約数和(自身を除く): 27620196

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12263, 24526, 36789, 49052, 73578, 147156, 1704557, 3409114, 5113671, 6818228, 10227342, 20454684]

約数ペア:

[(1, 20454684), (2, 10227342), (3, 6818228), (4, 5113671), (6, 3409114), (12, 1704557), (139, 147156), (278, 73578), (417, 49052), (556, 36789), (834, 24526), (1668, 12263)]