20827686

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 50699520

約数和(自身を除く): 29871834

約数列:

[1, 2, 3, 6, 11, 17, 19, 22, 33, 34, 38, 51, 57, 66, 102, 114, 187, 209, 323, 374, 418, 561, 627, 646, 969, 977, 1122, 1254, 1938, 1954, 2931, 3553, 5862, 7106, 10659, 10747, 16609, 18563, 21318, 21494, 32241, 33218, 37126, 49827, 55689, 64482, 99654, 111378, 182699, 204193, 315571, 365398, 408386, 548097, 612579, 631142, 946713, 1096194, 1225158, 1893426, 3471281, 6942562, 10413843, 20827686]

約数ペア:

[(1, 20827686), (2, 10413843), (3, 6942562), (6, 3471281), (11, 1893426), (17, 1225158), (19, 1096194), (22, 946713), (33, 631142), (34, 612579), (38, 548097), (51, 408386), (57, 365398), (66, 315571), (102, 204193), (114, 182699), (187, 111378), (209, 99654), (323, 64482), (374, 55689), (418, 49827), (561, 37126), (627, 33218), (646, 32241), (969, 21494), (977, 21318), (1122, 18563), (1254, 16609), (1938, 10747), (1954, 10659), (2931, 7106), (3553, 5862)]