20694952912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{13099}}^1\times {\mathrm{5197}}^1$

素因数の和:18323

約数の個数: 40

約数和(自身を含む): 42218156000

約数和(自身を除く): 21523203088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5197, 10394, 13099, 20788, 26198, 41576, 52396, 83152, 98743, 104792, 197486, 209584, 248881, 394972, 497762, 789944, 995524, 1579888, 1991048, 3982096, 68075503, 136151006, 272302012, 544604024, 1089208048, 1293434557, 2586869114, 5173738228, 10347476456, 20694952912]

約数ペア:

[(1, 20694952912), (2, 10347476456), (4, 5173738228), (8, 2586869114), (16, 1293434557), (19, 1089208048), (38, 544604024), (76, 272302012), (152, 136151006), (304, 68075503), (5197, 3982096), (10394, 1991048), (13099, 1579888), (20788, 995524), (26198, 789944), (41576, 497762), (52396, 394972), (83152, 248881), (98743, 209584), (104792, 197486)]