20160960948

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{28087}}^1$

素因数の和:28381

約数の個数: 72

約数和(自身を含む): 51692705792

約数和(自身を除く): 31531744844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 157, 254, 314, 381, 471, 508, 628, 762, 942, 1143, 1413, 1524, 1884, 2286, 2826, 4572, 5652, 19939, 28087, 39878, 56174, 59817, 79756, 84261, 112348, 119634, 168522, 179451, 239268, 252783, 337044, 358902, 505566, 717804, 1011132, 3567049, 4409659, 7134098, 8819318, 10701147, 13228977, 14268196, 17638636, 21402294, 26457954, 32103441, 39686931, 42804588, 52915908, 64206882, 79373862, 128413764, 158747724, 560026693, 1120053386, 1680080079, 2240106772, 3360160158, 5040240237, 6720320316, 10080480474, 20160960948]

約数ペア:

[(1, 20160960948), (2, 10080480474), (3, 6720320316), (4, 5040240237), (6, 3360160158), (9, 2240106772), (12, 1680080079), (18, 1120053386), (36, 560026693), (127, 158747724), (157, 128413764), (254, 79373862), (314, 64206882), (381, 52915908), (471, 42804588), (508, 39686931), (628, 32103441), (762, 26457954), (942, 21402294), (1143, 17638636), (1413, 14268196), (1524, 13228977), (1884, 10701147), (2286, 8819318), (2826, 7134098), (4572, 4409659), (5652, 3567049), (19939, 1011132), (28087, 717804), (39878, 505566), (56174, 358902), (59817, 337044), (79756, 252783), (84261, 239268), (112348, 179451), (119634, 168522)]