20668344

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 33037896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 73, 94, 141, 146, 188, 219, 251, 282, 292, 376, 438, 502, 564, 584, 753, 876, 1004, 1128, 1506, 1752, 2008, 3012, 3431, 6024, 6862, 10293, 11797, 13724, 18323, 20586, 23594, 27448, 35391, 36646, 41172, 47188, 54969, 70782, 73292, 82344, 94376, 109938, 141564, 146584, 219876, 283128, 439752, 861181, 1722362, 2583543, 3444724, 5167086, 6889448, 10334172, 20668344]

約数ペア:

[(1, 20668344), (2, 10334172), (3, 6889448), (4, 5167086), (6, 3444724), (8, 2583543), (12, 1722362), (24, 861181), (47, 439752), (73, 283128), (94, 219876), (141, 146584), (146, 141564), (188, 109938), (219, 94376), (251, 82344), (282, 73292), (292, 70782), (376, 54969), (438, 47188), (502, 41172), (564, 36646), (584, 35391), (753, 27448), (876, 23594), (1004, 20586), (1128, 18323), (1506, 13724), (1752, 11797), (2008, 10293), (3012, 6862), (3431, 6024)]