20474070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2719}}^1$

素因数の和:2980

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 28877610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2719, 3765, 5438, 7530, 8157, 13595, 16314, 27190, 40785, 81570, 682469, 1364938, 2047407, 3412345, 4094814, 6824690, 10237035, 20474070]

約数ペア:

[(1, 20474070), (2, 10237035), (3, 6824690), (5, 4094814), (6, 3412345), (10, 2047407), (15, 1364938), (30, 682469), (251, 81570), (502, 40785), (753, 27190), (1255, 16314), (1506, 13595), (2510, 8157), (2719, 7530), (3765, 5438)]