20495412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81331}}^1$

素因数の和:81348

約数の個数: 36

約数和(自身を含む): 59209696

約数和(自身を除く): 38714284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81331, 162662, 243993, 325324, 487986, 569317, 731979, 975972, 1138634, 1463958, 1707951, 2277268, 2927916, 3415902, 5123853, 6831804, 10247706, 20495412]

約数ペア:

[(1, 20495412), (2, 10247706), (3, 6831804), (4, 5123853), (6, 3415902), (7, 2927916), (9, 2277268), (12, 1707951), (14, 1463958), (18, 1138634), (21, 975972), (28, 731979), (36, 569317), (42, 487986), (63, 325324), (84, 243993), (126, 162662), (252, 81331)]