20121982740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{6373}}^1$

素因数の和:8343

約数の個数: 120

約数和(自身を含む): 63165702600

約数和(自身を除く): 43043719860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1949, 3898, 5847, 6373, 7796, 9745, 11694, 12746, 17541, 19119, 19490, 23388, 25492, 29235, 31865, 35082, 38238, 38980, 52623, 57357, 58470, 63730, 70164, 76476, 87705, 95595, 105246, 114714, 116940, 127460, 157869, 172071, 175410, 191190, 210492, 229428, 263115, 286785, 315738, 344142, 350820, 382380, 516213, 526230, 573570, 631476, 688284, 789345, 860355, 1032426, 1052460, 1147140, 1578690, 1720710, 2064852, 2581065, 3157380, 3441420, 5162130, 10324260, 12420977, 24841954, 37262931, 49683908, 62104885, 74525862, 111788793, 124209770, 149051724, 186314655, 223577586, 248419540, 335366379, 372629310, 447155172, 558943965, 670732758, 745258620, 1006099137, 1117887930, 1341465516, 1676831895, 2012198274, 2235775860, 3353663790, 4024396548, 5030495685, 6707327580, 10060991370, 20121982740]

約数ペア:

[(1, 20121982740), (2, 10060991370), (3, 6707327580), (4, 5030495685), (5, 4024396548), (6, 3353663790), (9, 2235775860), (10, 2012198274), (12, 1676831895), (15, 1341465516), (18, 1117887930), (20, 1006099137), (27, 745258620), (30, 670732758), (36, 558943965), (45, 447155172), (54, 372629310), (60, 335366379), (81, 248419540), (90, 223577586), (108, 186314655), (135, 149051724), (162, 124209770), (180, 111788793), (270, 74525862), (324, 62104885), (405, 49683908), (540, 37262931), (810, 24841954), (1620, 12420977), (1949, 10324260), (3898, 5162130), (5847, 3441420), (6373, 3157380), (7796, 2581065), (9745, 2064852), (11694, 1720710), (12746, 1578690), (17541, 1147140), (19119, 1052460), (19490, 1032426), (23388, 860355), (25492, 789345), (29235, 688284), (31865, 631476), (35082, 573570), (38238, 526230), (38980, 516213), (52623, 382380), (57357, 350820), (58470, 344142), (63730, 315738), (70164, 286785), (76476, 263115), (87705, 229428), (95595, 210492), (105246, 191190), (114714, 175410), (116940, 172071), (127460, 157869)]