20027560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71527}}^1$

素因数の和:71545

約数の個数: 32

約数和(自身を含む): 51500160

約数和(自身を除く): 31472600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71527, 143054, 286108, 357635, 500689, 572216, 715270, 1001378, 1430540, 2002756, 2503445, 2861080, 4005512, 5006890, 10013780, 20027560]

約数ペア:

[(1, 20027560), (2, 10013780), (4, 5006890), (5, 4005512), (7, 2861080), (8, 2503445), (10, 2002756), (14, 1430540), (20, 1001378), (28, 715270), (35, 572216), (40, 500689), (56, 357635), (70, 286108), (140, 143054), (280, 71527)]