17480780

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1973}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 36811152

約数和(自身を除く): 19330372

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 1973, 2215, 3946, 4430, 7892, 8860, 9865, 19730, 39460, 874039, 1748078, 3496156, 4370195, 8740390, 17480780]

約数ペア:

[(1, 17480780), (2, 8740390), (4, 4370195), (5, 3496156), (10, 1748078), (20, 874039), (443, 39460), (886, 19730), (1772, 9865), (1973, 8860), (2215, 7892), (3946, 4430)]