20445145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20143}}^1$

素因数の和:20184

約数の個数: 16

約数和(自身を含む): 29007360

約数和(自身を除く): 8562215

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20143, 100715, 141001, 584147, 705005, 2920735, 4089029, 20445145]

約数ペア:

[(1, 20445145), (5, 4089029), (7, 2920735), (29, 705005), (35, 584147), (145, 141001), (203, 100715), (1015, 20143)]