20174781365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{11393}}^1$

素因数の和:11749

約数の個数: 32

約数和(自身を含む): 26048324736

約数和(自身を除く): 5873543371

約数列:

[1, 5, 17, 83, 85, 251, 415, 1255, 1411, 4267, 7055, 11393, 20833, 21335, 56965, 104165, 193681, 354161, 945619, 968405, 1770805, 2859643, 4728095, 14298215, 16075523, 48613931, 80377615, 237350369, 243069655, 1186751845, 4034956273, 20174781365]

約数ペア:

[(1, 20174781365), (5, 4034956273), (17, 1186751845), (83, 243069655), (85, 237350369), (251, 80377615), (415, 48613931), (1255, 16075523), (1411, 14298215), (4267, 4728095), (7055, 2859643), (11393, 1770805), (20833, 968405), (21335, 945619), (56965, 354161), (104165, 193681)]