20959812

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30643}}^1$

素因数の和:30672

約数の個数: 36

約数和(自身を含む): 55772080

約数和(自身を除く): 34812268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30643, 61286, 91929, 122572, 183858, 275787, 367716, 551574, 582217, 1103148, 1164434, 1746651, 2328868, 3493302, 5239953, 6986604, 10479906, 20959812]

約数ペア:

[(1, 20959812), (2, 10479906), (3, 6986604), (4, 5239953), (6, 3493302), (9, 2328868), (12, 1746651), (18, 1164434), (19, 1103148), (36, 582217), (38, 551574), (57, 367716), (76, 275787), (114, 183858), (171, 122572), (228, 91929), (342, 61286), (684, 30643)]