20172958864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54817823}}^1$

素因数の和:54817854

約数の個数: 20

約数和(自身を含む): 40784461056

約数和(自身を除く): 20611502192

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54817823, 109635646, 219271292, 438542584, 877085168, 1260809929, 2521619858, 5043239716, 10086479432, 20172958864]

約数ペア:

[(1, 20172958864), (2, 10086479432), (4, 5043239716), (8, 2521619858), (16, 1260809929), (23, 877085168), (46, 438542584), (92, 219271292), (184, 109635646), (368, 54817823)]