16940680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9011}}^1$

素因数の和:9069

約数の個数: 32

約数和(自身を含む): 38931840

約数和(自身を除く): 21991160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9011, 18022, 36044, 45055, 72088, 90110, 180220, 360440, 423517, 847034, 1694068, 2117585, 3388136, 4235170, 8470340, 16940680]

約数ペア:

[(1, 16940680), (2, 8470340), (4, 4235170), (5, 3388136), (8, 2117585), (10, 1694068), (20, 847034), (40, 423517), (47, 360440), (94, 180220), (188, 90110), (235, 72088), (376, 45055), (470, 36044), (940, 18022), (1880, 9011)]