20401794

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2026

約数の個数: 56

約数和(自身を含む): 52464000

約数和(自身を除く): 32062206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 1999, 3402, 3998, 5103, 5997, 10206, 11994, 13993, 17991, 27986, 35982, 41979, 53973, 83958, 107946, 125937, 161919, 251874, 323838, 377811, 485757, 755622, 971514, 1133433, 1457271, 2266866, 2914542, 3400299, 6800598, 10200897, 20401794]

約数ペア:

[(1, 20401794), (2, 10200897), (3, 6800598), (6, 3400299), (7, 2914542), (9, 2266866), (14, 1457271), (18, 1133433), (21, 971514), (27, 755622), (42, 485757), (54, 377811), (63, 323838), (81, 251874), (126, 161919), (162, 125937), (189, 107946), (243, 83958), (378, 53973), (486, 41979), (567, 35982), (729, 27986), (1134, 17991), (1458, 13993), (1701, 11994), (1999, 10206), (3402, 5997), (3998, 5103)]