20349711664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2339}}^1\times {\mathrm{28619}}^1$

素因数の和:30985

約数の個数: 40

約数和(自身を含む): 41521896000

約数和(自身を除く): 21172184336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2339, 4678, 9356, 18712, 28619, 37424, 44441, 57238, 88882, 114476, 177764, 228952, 355528, 457904, 543761, 711056, 1087522, 2175044, 4350088, 8700176, 66939841, 133879682, 267759364, 535518728, 1071037456, 1271856979, 2543713958, 5087427916, 10174855832, 20349711664]

約数ペア:

[(1, 20349711664), (2, 10174855832), (4, 5087427916), (8, 2543713958), (16, 1271856979), (19, 1071037456), (38, 535518728), (76, 267759364), (152, 133879682), (304, 66939841), (2339, 8700176), (4678, 4350088), (9356, 2175044), (18712, 1087522), (28619, 711056), (37424, 543761), (44441, 457904), (57238, 355528), (88882, 228952), (114476, 177764)]