20686314

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27835926

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 103, 179, 187, 206, 309, 358, 374, 537, 561, 618, 1074, 1122, 1133, 1751, 1969, 2266, 3043, 3399, 3502, 3938, 5253, 5907, 6086, 6798, 9129, 10506, 11814, 18258, 18437, 19261, 33473, 36874, 38522, 55311, 57783, 66946, 100419, 110622, 115566, 200838, 202807, 313429, 405614, 608421, 626858, 940287, 1216842, 1880574, 3447719, 6895438, 10343157, 20686314]

約数ペア:

[(1, 20686314), (2, 10343157), (3, 6895438), (6, 3447719), (11, 1880574), (17, 1216842), (22, 940287), (33, 626858), (34, 608421), (51, 405614), (66, 313429), (102, 202807), (103, 200838), (179, 115566), (187, 110622), (206, 100419), (309, 66946), (358, 57783), (374, 55311), (537, 38522), (561, 36874), (618, 33473), (1074, 19261), (1122, 18437), (1133, 18258), (1751, 11814), (1969, 10506), (2266, 9129), (3043, 6798), (3399, 6086), (3502, 5907), (3938, 5253)]