20447256

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18127}}^1$

素因数の和:18183

約数の個数: 32

約数和(自身を含む): 52208640

約数和(自身を除く): 31761384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18127, 36254, 54381, 72508, 108762, 145016, 217524, 435048, 851969, 1703938, 2555907, 3407876, 5111814, 6815752, 10223628, 20447256]

約数ペア:

[(1, 20447256), (2, 10223628), (3, 6815752), (4, 5111814), (6, 3407876), (8, 2555907), (12, 1703938), (24, 851969), (47, 435048), (94, 217524), (141, 145016), (188, 108762), (282, 72508), (376, 54381), (564, 36254), (1128, 18127)]