20161020564

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1275691}}^1$

素因数の和:1276140

約数の個数: 36

約数和(自身を含む): 51078707680

約数和(自身を除く): 30917687116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5268, 7902, 15804, 1275691, 2551382, 3827073, 5102764, 7654146, 11481219, 15308292, 22962438, 45924876, 560028349, 1120056698, 1680085047, 2240113396, 3360170094, 5040255141, 6720340188, 10080510282, 20161020564]

約数ペア:

[(1, 20161020564), (2, 10080510282), (3, 6720340188), (4, 5040255141), (6, 3360170094), (9, 2240113396), (12, 1680085047), (18, 1120056698), (36, 560028349), (439, 45924876), (878, 22962438), (1317, 15308292), (1756, 11481219), (2634, 7654146), (3951, 5102764), (5268, 3827073), (7902, 2551382), (15804, 1275691)]