20077704

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{647}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 54587520

約数和(自身を除く): 34509816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 647, 862, 1293, 1294, 1724, 1941, 2586, 2588, 3448, 3879, 3882, 5172, 5176, 5823, 7758, 7764, 10344, 11646, 15516, 15528, 23292, 31032, 46584, 278857, 557714, 836571, 1115428, 1673142, 2230856, 2509713, 3346284, 5019426, 6692568, 10038852, 20077704]

約数ペア:

[(1, 20077704), (2, 10038852), (3, 6692568), (4, 5019426), (6, 3346284), (8, 2509713), (9, 2230856), (12, 1673142), (18, 1115428), (24, 836571), (36, 557714), (72, 278857), (431, 46584), (647, 31032), (862, 23292), (1293, 15528), (1294, 15516), (1724, 11646), (1941, 10344), (2586, 7764), (2588, 7758), (3448, 5823), (3879, 5176), (3882, 5172)]