20109648

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 58636128

約数和(自身を除く): 38526480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 67, 74, 78, 104, 111, 134, 148, 156, 169, 201, 208, 222, 268, 296, 312, 338, 402, 444, 481, 507, 536, 592, 624, 676, 804, 871, 888, 962, 1014, 1072, 1352, 1443, 1608, 1742, 1776, 1924, 2028, 2479, 2613, 2704, 2886, 3216, 3484, 3848, 4056, 4958, 5226, 5772, 6253, 6968, 7437, 7696, 8112, 9916, 10452, 11323, 11544, 12506, 13936, 14874, 18759, 19832, 20904, 22646, 23088, 25012, 29748, 32227, 33969, 37518, 39664, 41808, 45292, 50024, 59496, 64454, 67938, 75036, 90584, 96681, 100048, 118992, 128908, 135876, 150072, 181168, 193362, 257816, 271752, 300144, 386724, 418951, 515632, 543504, 773448, 837902, 1256853, 1546896, 1675804, 2513706, 3351608, 5027412, 6703216, 10054824, 20109648]

約数ペア:

[(1, 20109648), (2, 10054824), (3, 6703216), (4, 5027412), (6, 3351608), (8, 2513706), (12, 1675804), (13, 1546896), (16, 1256853), (24, 837902), (26, 773448), (37, 543504), (39, 515632), (48, 418951), (52, 386724), (67, 300144), (74, 271752), (78, 257816), (104, 193362), (111, 181168), (134, 150072), (148, 135876), (156, 128908), (169, 118992), (201, 100048), (208, 96681), (222, 90584), (268, 75036), (296, 67938), (312, 64454), (338, 59496), (402, 50024), (444, 45292), (481, 41808), (507, 39664), (536, 37518), (592, 33969), (624, 32227), (676, 29748), (804, 25012), (871, 23088), (888, 22646), (962, 20904), (1014, 19832), (1072, 18759), (1352, 14874), (1443, 13936), (1608, 12506), (1742, 11544), (1776, 11323), (1924, 10452), (2028, 9916), (2479, 8112), (2613, 7696), (2704, 7437), (2886, 6968), (3216, 6253), (3484, 5772), (3848, 5226), (4056, 4958)]