20619180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6029}}^1$

素因数の和:6063

約数の個数: 72

約数和(自身を含む): 65847600

約数和(自身を除く): 45228420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6029, 12058, 18087, 24116, 30145, 36174, 54261, 60290, 72348, 90435, 108522, 114551, 120580, 180870, 217044, 229102, 271305, 343653, 361740, 458204, 542610, 572755, 687306, 1030959, 1085220, 1145510, 1374612, 1718265, 2061918, 2291020, 3436530, 4123836, 5154795, 6873060, 10309590, 20619180]

約数ペア:

[(1, 20619180), (2, 10309590), (3, 6873060), (4, 5154795), (5, 4123836), (6, 3436530), (9, 2291020), (10, 2061918), (12, 1718265), (15, 1374612), (18, 1145510), (19, 1085220), (20, 1030959), (30, 687306), (36, 572755), (38, 542610), (45, 458204), (57, 361740), (60, 343653), (76, 271305), (90, 229102), (95, 217044), (114, 180870), (171, 120580), (180, 114551), (190, 108522), (228, 90435), (285, 72348), (342, 60290), (380, 54261), (570, 36174), (684, 30145), (855, 24116), (1140, 18087), (1710, 12058), (3420, 6029)]