20977770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5779}}^1$

素因数の和:5811

約数の個数: 48

約数和(自身を含む): 55349280

約数和(自身を除く): 34371510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 5779, 11558, 17337, 28895, 34674, 57790, 63569, 86685, 127138, 173370, 190707, 317845, 381414, 635690, 699259, 953535, 1398518, 1907070, 2097777, 3496295, 4195554, 6992590, 10488885, 20977770]

約数ペア:

[(1, 20977770), (2, 10488885), (3, 6992590), (5, 4195554), (6, 3496295), (10, 2097777), (11, 1907070), (15, 1398518), (22, 953535), (30, 699259), (33, 635690), (55, 381414), (66, 317845), (110, 190707), (121, 173370), (165, 127138), (242, 86685), (330, 63569), (363, 57790), (605, 34674), (726, 28895), (1210, 17337), (1815, 11558), (3630, 5779)]