20946480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87277}}^1$

素因数の和:87293

約数の個数: 40

約数和(自身を含む): 64934832

約数和(自身を除く): 43988352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87277, 174554, 261831, 349108, 436385, 523662, 698216, 872770, 1047324, 1309155, 1396432, 1745540, 2094648, 2618310, 3491080, 4189296, 5236620, 6982160, 10473240, 20946480]

約数ペア:

[(1, 20946480), (2, 10473240), (3, 6982160), (4, 5236620), (5, 4189296), (6, 3491080), (8, 2618310), (10, 2094648), (12, 1745540), (15, 1396432), (16, 1309155), (20, 1047324), (24, 872770), (30, 698216), (40, 523662), (48, 436385), (60, 349108), (80, 261831), (120, 174554), (240, 87277)]