202421420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{89567}}^1$

素因数の和:89689

約数の個数: 24

約数和(自身を含む): 428851584

約数和(自身を除く): 226430164

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 89567, 179134, 358268, 447835, 895670, 1791340, 10121071, 20242142, 40484284, 50605355, 101210710, 202421420]

約数ペア:

[(1, 202421420), (2, 101210710), (4, 50605355), (5, 40484284), (10, 20242142), (20, 10121071), (113, 1791340), (226, 895670), (452, 447835), (565, 358268), (1130, 179134), (2260, 89567)]