20179415

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 24740640

約数和(自身を除く): 4561225

約数列:

[1, 5, 89, 137, 331, 445, 685, 1655, 12193, 29459, 45347, 60965, 147295, 226735, 4035883, 20179415]

約数ペア:

[(1, 20179415), (5, 4035883), (89, 226735), (137, 147295), (331, 60965), (445, 45347), (685, 29459), (1655, 12193)]