20470266

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{2767}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 45838080

約数和(自身を除く): 25367814

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 2767, 3699, 5534, 7398, 8301, 16602, 24903, 49806, 74709, 149418, 379079, 758158, 1137237, 2274474, 3411711, 6823422, 10235133, 20470266]

約数ペア:

[(1, 20470266), (2, 10235133), (3, 6823422), (6, 3411711), (9, 2274474), (18, 1137237), (27, 758158), (54, 379079), (137, 149418), (274, 74709), (411, 49806), (822, 24903), (1233, 16602), (2466, 8301), (2767, 7398), (3699, 5534)]