20776875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{1583}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 39587328

約数和(自身を除く): 18810453

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1583, 1875, 2625, 4375, 4749, 7915, 11081, 13125, 23745, 33243, 39575, 55405, 118725, 166215, 197875, 277025, 593625, 831075, 989375, 1385125, 2968125, 4155375, 6925625, 20776875]

約数ペア:

[(1, 20776875), (3, 6925625), (5, 4155375), (7, 2968125), (15, 1385125), (21, 989375), (25, 831075), (35, 593625), (75, 277025), (105, 197875), (125, 166215), (175, 118725), (375, 55405), (525, 39575), (625, 33243), (875, 23745), (1583, 13125), (1875, 11081), (2625, 7915), (4375, 4749)]