20584120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10949}}^1$

素因数の和:11007

約数の個数: 32

約数和(自身を含む): 47304000

約数和(自身を除く): 26719880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10949, 21898, 43796, 54745, 87592, 109490, 218980, 437960, 514603, 1029206, 2058412, 2573015, 4116824, 5146030, 10292060, 20584120]

約数ペア:

[(1, 20584120), (2, 10292060), (4, 5146030), (5, 4116824), (8, 2573015), (10, 2058412), (20, 1029206), (40, 514603), (47, 437960), (94, 218980), (188, 109490), (235, 87592), (376, 54745), (470, 43796), (940, 21898), (1880, 10949)]