2020145120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1803701}}^1$

素因数の和:1803723

約数の個数: 48

約数和(自身を含む): 5454394848

約数和(自身を除く): 3434249728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1803701, 3607402, 7214804, 9018505, 12625907, 14429608, 18037010, 25251814, 28859216, 36074020, 50503628, 57718432, 63129535, 72148040, 101007256, 126259070, 144296080, 202014512, 252518140, 288592160, 404029024, 505036280, 1010072560, 2020145120]

約数ペア:

[(1, 2020145120), (2, 1010072560), (4, 505036280), (5, 404029024), (7, 288592160), (8, 252518140), (10, 202014512), (14, 144296080), (16, 126259070), (20, 101007256), (28, 72148040), (32, 63129535), (35, 57718432), (40, 50503628), (56, 36074020), (70, 28859216), (80, 25251814), (112, 18037010), (140, 14429608), (160, 12625907), (224, 9018505), (280, 7214804), (560, 3607402), (1120, 1803701)]