20259220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5659}}^1$

素因数の和:5847

約数の個数: 24

約数和(自身を含む): 42789600

約数和(自身を除く): 22530380

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5659, 11318, 22636, 28295, 56590, 113180, 1012961, 2025922, 4051844, 5064805, 10129610, 20259220]

約数ペア:

[(1, 20259220), (2, 10129610), (4, 5064805), (5, 4051844), (10, 2025922), (20, 1012961), (179, 113180), (358, 56590), (716, 28295), (895, 22636), (1790, 11318), (3580, 5659)]