20670920

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2887}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 46785600

約数和(自身を除く): 26114680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2887, 3580, 5774, 7160, 11548, 14435, 23096, 28870, 57740, 115480, 516773, 1033546, 2067092, 2583865, 4134184, 5167730, 10335460, 20670920]

約数ペア:

[(1, 20670920), (2, 10335460), (4, 5167730), (5, 4134184), (8, 2583865), (10, 2067092), (20, 1033546), (40, 516773), (179, 115480), (358, 57740), (716, 28870), (895, 23096), (1432, 14435), (1790, 11548), (2887, 7160), (3580, 5774)]