20027420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143053}}^1$

素因数の和:143069

約数の個数: 24

約数和(自身を含む): 48066144

約数和(自身を除く): 28038724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143053, 286106, 572212, 715265, 1001371, 1430530, 2002742, 2861060, 4005484, 5006855, 10013710, 20027420]

約数ペア:

[(1, 20027420), (2, 10013710), (4, 5006855), (5, 4005484), (7, 2861060), (10, 2002742), (14, 1430530), (20, 1001371), (28, 715265), (35, 572212), (70, 286106), (140, 143053)]