20915691258

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{208627}}^1$

素因数の和:208688

約数の個数: 96

約数和(自身を含む): 54797395968

約数和(自身を除く): 33881704710

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 49, 62, 66, 77, 93, 98, 147, 154, 186, 217, 231, 294, 341, 434, 462, 539, 651, 682, 1023, 1078, 1302, 1519, 1617, 2046, 2387, 3038, 3234, 4557, 4774, 7161, 9114, 14322, 16709, 33418, 50127, 100254, 208627, 417254, 625881, 1251762, 1460389, 2294897, 2920778, 4381167, 4589794, 6467437, 6884691, 8762334, 10222723, 12934874, 13769382, 16064279, 19402311, 20445446, 30668169, 32128558, 38804622, 45272059, 48192837, 61336338, 71141807, 90544118, 96385674, 112449953, 135816177, 142283614, 213425421, 224899906, 271632354, 316904413, 337349859, 426850842, 497992649, 633808826, 674699718, 950713239, 995985298, 1493977947, 1901426478, 2987955894, 3485948543, 6971897086, 10457845629, 20915691258]

約数ペア:

[(1, 20915691258), (2, 10457845629), (3, 6971897086), (6, 3485948543), (7, 2987955894), (11, 1901426478), (14, 1493977947), (21, 995985298), (22, 950713239), (31, 674699718), (33, 633808826), (42, 497992649), (49, 426850842), (62, 337349859), (66, 316904413), (77, 271632354), (93, 224899906), (98, 213425421), (147, 142283614), (154, 135816177), (186, 112449953), (217, 96385674), (231, 90544118), (294, 71141807), (341, 61336338), (434, 48192837), (462, 45272059), (539, 38804622), (651, 32128558), (682, 30668169), (1023, 20445446), (1078, 19402311), (1302, 16064279), (1519, 13769382), (1617, 12934874), (2046, 10222723), (2387, 8762334), (3038, 6884691), (3234, 6467437), (4557, 4589794), (4774, 4381167), (7161, 2920778), (9114, 2294897), (14322, 1460389), (16709, 1251762), (33418, 625881), (50127, 417254), (100254, 208627)]