20756322

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 47792160

約数和(自身を除く): 27035838

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 443, 822, 886, 1233, 1329, 2466, 2603, 2658, 3987, 5206, 7809, 7974, 8417, 15618, 16834, 23427, 25251, 46854, 50502, 60691, 75753, 121382, 151506, 182073, 364146, 546219, 1092438, 1153129, 2306258, 3459387, 6918774, 10378161, 20756322]

約数ペア:

[(1, 20756322), (2, 10378161), (3, 6918774), (6, 3459387), (9, 2306258), (18, 1153129), (19, 1092438), (38, 546219), (57, 364146), (114, 182073), (137, 151506), (171, 121382), (274, 75753), (342, 60691), (411, 50502), (443, 46854), (822, 25251), (886, 23427), (1233, 16834), (1329, 15618), (2466, 8417), (2603, 7974), (2658, 7809), (3987, 5206)]