20133890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6746

約数の個数: 32

約数和(自身を含む): 42387840

約数和(自身を除く): 22253950

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6689, 13378, 33445, 46823, 66890, 93646, 234115, 287627, 468230, 575254, 1438135, 2013389, 2876270, 4026778, 10066945, 20133890]

約数ペア:

[(1, 20133890), (2, 10066945), (5, 4026778), (7, 2876270), (10, 2013389), (14, 1438135), (35, 575254), (43, 468230), (70, 287627), (86, 234115), (215, 93646), (301, 66890), (430, 46823), (602, 33445), (1505, 13378), (3010, 6689)]