20808869768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136900459}}^1$

素因数の和:136900484

約数の個数: 16

約数和(自身を含む): 41070138000

約数和(自身を除く): 20261268232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136900459, 273800918, 547601836, 1095203672, 2601108721, 5202217442, 10404434884, 20808869768]

約数ペア:

[(1, 20808869768), (2, 10404434884), (4, 5202217442), (8, 2601108721), (19, 1095203672), (38, 547601836), (76, 273800918), (152, 136900459)]