20699195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16363}}^1$

素因数の和:16402

約数の個数: 16

約数和(自身を含む): 28276992

約数和(自身を除く): 7577797

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16363, 81815, 179993, 376349, 899965, 1881745, 4139839, 20699195]

約数ペア:

[(1, 20699195), (5, 4139839), (11, 1881745), (23, 899965), (55, 376349), (115, 179993), (253, 81815), (1265, 16363)]