20857500272

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{23131}}^1$

素因数の和:23326

約数の個数: 80

約数和(自身を含む): 47224810752

約数和(自身を除く): 26367310480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 97, 112, 166, 194, 332, 388, 581, 664, 679, 776, 1162, 1328, 1358, 1552, 2324, 2716, 4648, 5432, 8051, 9296, 10864, 16102, 23131, 32204, 46262, 56357, 64408, 92524, 112714, 128816, 161917, 185048, 225428, 323834, 370096, 450856, 647668, 901712, 1295336, 1919873, 2243707, 2590672, 3839746, 4487414, 7679492, 8974828, 13439111, 15358984, 15705949, 17949656, 26878222, 30717968, 31411898, 35899312, 53756444, 62823796, 107512888, 125647592, 186227681, 215025776, 251295184, 372455362, 744910724, 1303593767, 1489821448, 2607187534, 2979642896, 5214375068, 10428750136, 20857500272]

約数ペア:

[(1, 20857500272), (2, 10428750136), (4, 5214375068), (7, 2979642896), (8, 2607187534), (14, 1489821448), (16, 1303593767), (28, 744910724), (56, 372455362), (83, 251295184), (97, 215025776), (112, 186227681), (166, 125647592), (194, 107512888), (332, 62823796), (388, 53756444), (581, 35899312), (664, 31411898), (679, 30717968), (776, 26878222), (1162, 17949656), (1328, 15705949), (1358, 15358984), (1552, 13439111), (2324, 8974828), (2716, 7679492), (4648, 4487414), (5432, 3839746), (8051, 2590672), (9296, 2243707), (10864, 1919873), (16102, 1295336), (23131, 901712), (32204, 647668), (46262, 450856), (56357, 370096), (64408, 323834), (92524, 225428), (112714, 185048), (128816, 161917)]