20805122007

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{967}}^1\times {\mathrm{23669}}^1$

素因数の和:24743

約数の個数: 24

約数和(自身を含む): 30382054560

約数和(自身を除く): 9576932553

約数列:

[1, 3, 9, 101, 303, 909, 967, 2901, 8703, 23669, 71007, 97667, 213021, 293001, 879003, 2390569, 7171707, 21515121, 22887923, 68663769, 205991307, 2311680223, 6935040669, 20805122007]

約数ペア:

[(1, 20805122007), (3, 6935040669), (9, 2311680223), (101, 205991307), (303, 68663769), (909, 22887923), (967, 21515121), (2901, 7171707), (8703, 2390569), (23669, 879003), (71007, 293001), (97667, 213021)]