11820140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8821}}^1$

素因数の和:8897

約数の個数: 24

約数和(自身を含む): 25195632

約数和(自身を除く): 13375492

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 8821, 17642, 35284, 44105, 88210, 176420, 591007, 1182014, 2364028, 2955035, 5910070, 11820140]

約数ペア:

[(1, 11820140), (2, 5910070), (4, 2955035), (5, 2364028), (10, 1182014), (20, 591007), (67, 176420), (134, 88210), (268, 44105), (335, 35284), (670, 17642), (1340, 8821)]