20340150180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2548891}}^1$

素因数の和:2548929

約数の個数: 96

約数和(自身を含む): 68514216960

約数和(自身を除く): 48174066780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 2548891, 5097782, 7646673, 10195564, 12744455, 15293346, 17842237, 25488910, 30586692, 35684474, 38233365, 48428929, 50977820, 53526711, 71368948, 76466730, 89211185, 96857858, 107053422, 145286787, 152933460, 178422370, 193715716, 214106844, 242144645, 267633555, 290573574, 339002503, 356844740, 484289290, 535267110, 581147148, 678005006, 726433935, 968578580, 1017007509, 1070534220, 1356010012, 1452867870, 1695012515, 2034015018, 2905735740, 3390025030, 4068030036, 5085037545, 6780050060, 10170075090, 20340150180]

約数ペア:

[(1, 20340150180), (2, 10170075090), (3, 6780050060), (4, 5085037545), (5, 4068030036), (6, 3390025030), (7, 2905735740), (10, 2034015018), (12, 1695012515), (14, 1452867870), (15, 1356010012), (19, 1070534220), (20, 1017007509), (21, 968578580), (28, 726433935), (30, 678005006), (35, 581147148), (38, 535267110), (42, 484289290), (57, 356844740), (60, 339002503), (70, 290573574), (76, 267633555), (84, 242144645), (95, 214106844), (105, 193715716), (114, 178422370), (133, 152933460), (140, 145286787), (190, 107053422), (210, 96857858), (228, 89211185), (266, 76466730), (285, 71368948), (380, 53526711), (399, 50977820), (420, 48428929), (532, 38233365), (570, 35684474), (665, 30586692), (798, 25488910), (1140, 17842237), (1330, 15293346), (1596, 12744455), (1995, 10195564), (2660, 7646673), (3990, 5097782), (7980, 2548891)]