20512097536

素因数分解:

$2^8\times 7^1\times {\mathrm{953}}^1\times {\mathrm{12011}}^1$

素因数の和:12987

約数の個数: 72

約数和(自身を含む): 46846223424

約数和(自身を除く): 26334125888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 953, 1792, 1906, 3812, 6671, 7624, 12011, 13342, 15248, 24022, 26684, 30496, 48044, 53368, 60992, 84077, 96088, 106736, 121984, 168154, 192176, 213472, 243968, 336308, 384352, 426944, 672616, 768704, 853888, 1345232, 1537408, 1707776, 2690464, 3074816, 5380928, 10761856, 11446483, 21523712, 22892966, 45785932, 80125381, 91571864, 160250762, 183143728, 320501524, 366287456, 641003048, 732574912, 1282006096, 1465149824, 2564012192, 2930299648, 5128024384, 10256048768, 20512097536]

約数ペア:

[(1, 20512097536), (2, 10256048768), (4, 5128024384), (7, 2930299648), (8, 2564012192), (14, 1465149824), (16, 1282006096), (28, 732574912), (32, 641003048), (56, 366287456), (64, 320501524), (112, 183143728), (128, 160250762), (224, 91571864), (256, 80125381), (448, 45785932), (896, 22892966), (953, 21523712), (1792, 11446483), (1906, 10761856), (3812, 5380928), (6671, 3074816), (7624, 2690464), (12011, 1707776), (13342, 1537408), (15248, 1345232), (24022, 853888), (26684, 768704), (30496, 672616), (48044, 426944), (53368, 384352), (60992, 336308), (84077, 243968), (96088, 213472), (106736, 192176), (121984, 168154)]