20372528

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:666

約数の個数: 60

約数和(自身を含む): 46012680

約数和(自身を除く): 25640152

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 619, 748, 968, 1238, 1496, 1936, 2057, 2476, 2992, 4114, 4952, 6809, 8228, 9904, 10523, 13618, 16456, 21046, 27236, 32912, 42092, 54472, 74899, 84184, 108944, 115753, 149798, 168368, 231506, 299596, 463012, 599192, 926024, 1198384, 1273283, 1852048, 2546566, 5093132, 10186264, 20372528]

約数ペア:

[(1, 20372528), (2, 10186264), (4, 5093132), (8, 2546566), (11, 1852048), (16, 1273283), (17, 1198384), (22, 926024), (34, 599192), (44, 463012), (68, 299596), (88, 231506), (121, 168368), (136, 149798), (176, 115753), (187, 108944), (242, 84184), (272, 74899), (374, 54472), (484, 42092), (619, 32912), (748, 27236), (968, 21046), (1238, 16456), (1496, 13618), (1936, 10523), (2057, 9904), (2476, 8228), (2992, 6809), (4114, 4952)]