20613605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7876

約数の個数: 16

約数和(自身を含む): 27039744

約数和(自身を除く): 6426139

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7823, 39115, 132991, 242513, 664955, 1212565, 4122721, 20613605]

約数ペア:

[(1, 20613605), (5, 4122721), (17, 1212565), (31, 664955), (85, 242513), (155, 132991), (527, 39115), (2635, 7823)]