20664110

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28307}}^1$

素因数の和:28387

約数の個数: 16

約数和(自身を含む): 37706256

約数和(自身を除く): 17042146

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28307, 56614, 141535, 283070, 2066411, 4132822, 10332055, 20664110]

約数ペア:

[(1, 20664110), (2, 10332055), (5, 4132822), (10, 2066411), (73, 283070), (146, 141535), (365, 56614), (730, 28307)]