20515498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{14717}}^1$

素因数の和:14777

約数の個数: 16

約数和(自身を含む): 33380424

約数和(自身を除く): 12864926

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 14717, 29434, 250189, 500378, 603397, 1206794, 10257749, 20515498]

約数ペア:

[(1, 20515498), (2, 10257749), (17, 1206794), (34, 603397), (41, 500378), (82, 250189), (697, 29434), (1394, 14717)]