20679720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172331}}^1$

素因数の和:172345

約数の個数: 32

約数和(自身を含む): 62039520

約数和(自身を除く): 41359800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172331, 344662, 516993, 689324, 861655, 1033986, 1378648, 1723310, 2067972, 2584965, 3446620, 4135944, 5169930, 6893240, 10339860, 20679720]

約数ペア:

[(1, 20679720), (2, 10339860), (3, 6893240), (4, 5169930), (5, 4135944), (6, 3446620), (8, 2584965), (10, 2067972), (12, 1723310), (15, 1378648), (20, 1033986), (24, 861655), (30, 689324), (40, 516993), (60, 344662), (120, 172331)]