20080315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2339}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 25777440

約数和(自身を除く): 5697125

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2339, 8585, 11695, 39763, 198815, 236239, 1181195, 4016063, 20080315]

約数ペア:

[(1, 20080315), (5, 4016063), (17, 1181195), (85, 236239), (101, 198815), (505, 39763), (1717, 11695), (2339, 8585)]