20746715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22189}}^1$

素因数の和:22222

約数の個数: 16

約数和(自身を含む): 28758240

約数和(自身を除く): 8011525

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22189, 110945, 244079, 377213, 1220395, 1886065, 4149343, 20746715]

約数ペア:

[(1, 20746715), (5, 4149343), (11, 1886065), (17, 1220395), (55, 377213), (85, 244079), (187, 110945), (935, 22189)]