20284440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 67461120

約数和(自身を除く): 47176680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 127, 132, 165, 220, 242, 254, 264, 330, 363, 381, 440, 484, 508, 605, 635, 660, 726, 762, 968, 1016, 1210, 1270, 1320, 1331, 1397, 1452, 1524, 1815, 1905, 2420, 2540, 2662, 2794, 2904, 3048, 3630, 3810, 3993, 4191, 4840, 5080, 5324, 5588, 6655, 6985, 7260, 7620, 7986, 8382, 10648, 11176, 13310, 13970, 14520, 15240, 15367, 15972, 16764, 19965, 20955, 26620, 27940, 30734, 31944, 33528, 39930, 41910, 46101, 53240, 55880, 61468, 76835, 79860, 83820, 92202, 122936, 153670, 159720, 167640, 169037, 184404, 230505, 307340, 338074, 368808, 461010, 507111, 614680, 676148, 845185, 922020, 1014222, 1352296, 1690370, 1844040, 2028444, 2535555, 3380740, 4056888, 5071110, 6761480, 10142220, 20284440]

約数ペア:

[(1, 20284440), (2, 10142220), (3, 6761480), (4, 5071110), (5, 4056888), (6, 3380740), (8, 2535555), (10, 2028444), (11, 1844040), (12, 1690370), (15, 1352296), (20, 1014222), (22, 922020), (24, 845185), (30, 676148), (33, 614680), (40, 507111), (44, 461010), (55, 368808), (60, 338074), (66, 307340), (88, 230505), (110, 184404), (120, 169037), (121, 167640), (127, 159720), (132, 153670), (165, 122936), (220, 92202), (242, 83820), (254, 79860), (264, 76835), (330, 61468), (363, 55880), (381, 53240), (440, 46101), (484, 41910), (508, 39930), (605, 33528), (635, 31944), (660, 30734), (726, 27940), (762, 26620), (968, 20955), (1016, 19965), (1210, 16764), (1270, 15972), (1320, 15367), (1331, 15240), (1397, 14520), (1452, 13970), (1524, 13310), (1815, 11176), (1905, 10648), (2420, 8382), (2540, 7986), (2662, 7620), (2794, 7260), (2904, 6985), (3048, 6655), (3630, 5588), (3810, 5324), (3993, 5080), (4191, 4840)]