20228615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15991}}^1$

素因数の和:16030

約数の個数: 16

約数和(自身を含む): 27634176

約数和(自身を除く): 7405561

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15991, 79955, 175901, 367793, 879505, 1838965, 4045723, 20228615]

約数ペア:

[(1, 20228615), (5, 4045723), (11, 1838965), (23, 879505), (55, 367793), (115, 175901), (253, 79955), (1265, 15991)]