20580455

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34589}}^1$

素因数の和:34618

約数の個数: 16

約数和(自身を含む): 29885760

約数和(自身を除く): 9305305

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34589, 172945, 242123, 588013, 1210615, 2940065, 4116091, 20580455]

約数ペア:

[(1, 20580455), (5, 4116091), (7, 2940065), (17, 1210615), (35, 588013), (85, 242123), (119, 172945), (595, 34589)]