2020196280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{21611}}^1$

素因数の和:21685

約数の個数: 128

約数和(自身を含む): 6535468800

約数和(自身を除く): 4515272520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 228, 246, 285, 328, 380, 410, 456, 492, 570, 615, 760, 779, 820, 984, 1140, 1230, 1558, 1640, 2280, 2337, 2460, 3116, 3895, 4674, 4920, 6232, 7790, 9348, 11685, 15580, 18696, 21611, 23370, 31160, 43222, 46740, 64833, 86444, 93480, 108055, 129666, 172888, 216110, 259332, 324165, 410609, 432220, 518664, 648330, 821218, 864440, 886051, 1231827, 1296660, 1642436, 1772102, 2053045, 2463654, 2593320, 2658153, 3284872, 3544204, 4106090, 4430255, 4927308, 5316306, 6159135, 7088408, 8212180, 8860510, 9854616, 10632612, 12318270, 13290765, 16424360, 16834969, 17721020, 21265224, 24636540, 26581530, 33669938, 35442040, 49273080, 50504907, 53163060, 67339876, 84174845, 101009814, 106326120, 134679752, 168349690, 202019628, 252524535, 336699380, 404039256, 505049070, 673398760, 1010098140, 2020196280]

約数ペア:

[(1, 2020196280), (2, 1010098140), (3, 673398760), (4, 505049070), (5, 404039256), (6, 336699380), (8, 252524535), (10, 202019628), (12, 168349690), (15, 134679752), (19, 106326120), (20, 101009814), (24, 84174845), (30, 67339876), (38, 53163060), (40, 50504907), (41, 49273080), (57, 35442040), (60, 33669938), (76, 26581530), (82, 24636540), (95, 21265224), (114, 17721020), (120, 16834969), (123, 16424360), (152, 13290765), (164, 12318270), (190, 10632612), (205, 9854616), (228, 8860510), (246, 8212180), (285, 7088408), (328, 6159135), (380, 5316306), (410, 4927308), (456, 4430255), (492, 4106090), (570, 3544204), (615, 3284872), (760, 2658153), (779, 2593320), (820, 2463654), (984, 2053045), (1140, 1772102), (1230, 1642436), (1558, 1296660), (1640, 1231827), (2280, 886051), (2337, 864440), (2460, 821218), (3116, 648330), (3895, 518664), (4674, 432220), (4920, 410609), (6232, 324165), (7790, 259332), (9348, 216110), (11685, 172888), (15580, 129666), (18696, 108055), (21611, 93480), (23370, 86444), (31160, 64833), (43222, 46740)]