20913438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38303}}^1$

素因数の和:38328

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 30567138

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38303, 76606, 114909, 229818, 268121, 497939, 536242, 804363, 995878, 1493817, 1608726, 2987634, 3485573, 6971146, 10456719, 20913438]

約数ペア:

[(1, 20913438), (2, 10456719), (3, 6971146), (6, 3485573), (7, 2987634), (13, 1608726), (14, 1493817), (21, 995878), (26, 804363), (39, 536242), (42, 497939), (78, 268121), (91, 229818), (182, 114909), (273, 76606), (546, 38303)]