20749945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2417}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 26636688

約数和(自身を除く): 5886743

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2417, 8585, 12085, 41089, 205445, 244117, 1220585, 4149989, 20749945]

約数ペア:

[(1, 20749945), (5, 4149989), (17, 1220585), (85, 244117), (101, 205445), (505, 41089), (1717, 12085), (2417, 8585)]