20115756

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9803}}^1$

素因数の和:9835

約数の個数: 48

約数和(自身を含む): 54902400

約数和(自身を除く): 34786644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 9803, 19606, 29409, 39212, 58818, 88227, 117636, 176454, 186257, 264681, 352908, 372514, 529362, 558771, 745028, 1058724, 1117542, 1676313, 2235084, 3352626, 5028939, 6705252, 10057878, 20115756]

約数ペア:

[(1, 20115756), (2, 10057878), (3, 6705252), (4, 5028939), (6, 3352626), (9, 2235084), (12, 1676313), (18, 1117542), (19, 1058724), (27, 745028), (36, 558771), (38, 529362), (54, 372514), (57, 352908), (76, 264681), (108, 186257), (114, 176454), (171, 117636), (228, 88227), (342, 58818), (513, 39212), (684, 29409), (1026, 19606), (2052, 9803)]