20109240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 66240720

約数和(自身を除く): 46131480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 673, 747, 830, 996, 1245, 1346, 1494, 1660, 1992, 2019, 2490, 2692, 2988, 3320, 3365, 3735, 4038, 4980, 5384, 5976, 6057, 6730, 7470, 8076, 9960, 10095, 12114, 13460, 14940, 16152, 20190, 24228, 26920, 29880, 30285, 40380, 48456, 55859, 60570, 80760, 111718, 121140, 167577, 223436, 242280, 279295, 335154, 446872, 502731, 558590, 670308, 837885, 1005462, 1117180, 1340616, 1675770, 2010924, 2234360, 2513655, 3351540, 4021848, 5027310, 6703080, 10054620, 20109240]

約数ペア:

[(1, 20109240), (2, 10054620), (3, 6703080), (4, 5027310), (5, 4021848), (6, 3351540), (8, 2513655), (9, 2234360), (10, 2010924), (12, 1675770), (15, 1340616), (18, 1117180), (20, 1005462), (24, 837885), (30, 670308), (36, 558590), (40, 502731), (45, 446872), (60, 335154), (72, 279295), (83, 242280), (90, 223436), (120, 167577), (166, 121140), (180, 111718), (249, 80760), (332, 60570), (360, 55859), (415, 48456), (498, 40380), (664, 30285), (673, 29880), (747, 26920), (830, 24228), (996, 20190), (1245, 16152), (1346, 14940), (1494, 13460), (1660, 12114), (1992, 10095), (2019, 9960), (2490, 8076), (2692, 7470), (2988, 6730), (3320, 6057), (3365, 5976), (3735, 5384), (4038, 4980)]