20331430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2287}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 42172416

約数和(自身を除く): 21840986

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2287, 4445, 4574, 8890, 11435, 16009, 22870, 32018, 80045, 160090, 290449, 580898, 1452245, 2033143, 2904490, 4066286, 10165715, 20331430]

約数ペア:

[(1, 20331430), (2, 10165715), (5, 4066286), (7, 2904490), (10, 2033143), (14, 1452245), (35, 580898), (70, 290449), (127, 160090), (254, 80045), (635, 32018), (889, 22870), (1270, 16009), (1778, 11435), (2287, 8890), (4445, 4574)]