16722520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{11299}}^1$

素因数の和:11347

約数の個数: 32

約数和(自身を含む): 38646000

約数和(自身を除く): 21923480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 11299, 22598, 45196, 56495, 90392, 112990, 225980, 418063, 451960, 836126, 1672252, 2090315, 3344504, 4180630, 8361260, 16722520]

約数ペア:

[(1, 16722520), (2, 8361260), (4, 4180630), (5, 3344504), (8, 2090315), (10, 1672252), (20, 836126), (37, 451960), (40, 418063), (74, 225980), (148, 112990), (185, 90392), (296, 56495), (370, 45196), (740, 22598), (1480, 11299)]