23321420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8389}}^1$

素因数の和:8537

約数の個数: 24

約数和(自身を含む): 49333200

約数和(自身を除く): 26011780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 8389, 16778, 33556, 41945, 83890, 167780, 1166071, 2332142, 4664284, 5830355, 11660710, 23321420]

約数ペア:

[(1, 23321420), (2, 11660710), (4, 5830355), (5, 4664284), (10, 2332142), (20, 1166071), (139, 167780), (278, 83890), (556, 41945), (695, 33556), (1390, 16778), (2780, 8389)]