20512159184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{61051}}^1$

素因数の和:61176

約数の個数: 80

約数和(自身を含む): 45786069504

約数和(自身を除く): 25273910320

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 83, 88, 92, 166, 176, 184, 253, 332, 368, 506, 664, 913, 1012, 1328, 1826, 1909, 2024, 3652, 3818, 4048, 7304, 7636, 14608, 15272, 20999, 30544, 41998, 61051, 83996, 122102, 167992, 244204, 335984, 488408, 671561, 976816, 1343122, 1404173, 2686244, 2808346, 5067233, 5372488, 5616692, 10134466, 10744976, 11233384, 15445903, 20268932, 22466768, 30891806, 40537864, 55739563, 61783612, 81075728, 111479126, 116546359, 123567224, 222958252, 233092718, 247134448, 445916504, 466185436, 891833008, 932370872, 1282009949, 1864741744, 2564019898, 5128039796, 10256079592, 20512159184]

約数ペア:

[(1, 20512159184), (2, 10256079592), (4, 5128039796), (8, 2564019898), (11, 1864741744), (16, 1282009949), (22, 932370872), (23, 891833008), (44, 466185436), (46, 445916504), (83, 247134448), (88, 233092718), (92, 222958252), (166, 123567224), (176, 116546359), (184, 111479126), (253, 81075728), (332, 61783612), (368, 55739563), (506, 40537864), (664, 30891806), (913, 22466768), (1012, 20268932), (1328, 15445903), (1826, 11233384), (1909, 10744976), (2024, 10134466), (3652, 5616692), (3818, 5372488), (4048, 5067233), (7304, 2808346), (7636, 2686244), (14608, 1404173), (15272, 1343122), (20999, 976816), (30544, 671561), (41998, 488408), (61051, 335984), (83996, 244204), (122102, 167992)]