20743870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4423}}^1$

素因数の和:4504

約数の個数: 32

約数和(自身を含む): 43319808

約数和(自身を除く): 22575938

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4423, 4690, 8846, 22115, 30961, 44230, 61922, 154805, 296341, 309610, 592682, 1481705, 2074387, 2963410, 4148774, 10371935, 20743870]

約数ペア:

[(1, 20743870), (2, 10371935), (5, 4148774), (7, 2963410), (10, 2074387), (14, 1481705), (35, 592682), (67, 309610), (70, 296341), (134, 154805), (335, 61922), (469, 44230), (670, 30961), (938, 22115), (2345, 8846), (4423, 4690)]