20953190

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28703}}^1$

素因数の和:28783

約数の個数: 16

約数和(自身を含む): 38233728

約数和(自身を除く): 17280538

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28703, 57406, 143515, 287030, 2095319, 4190638, 10476595, 20953190]

約数ペア:

[(1, 20953190), (2, 10476595), (5, 4190638), (10, 2095319), (73, 287030), (146, 143515), (365, 57406), (730, 28703)]