20480459949

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{253493}}^1$

素因数の和:253737

約数の個数: 24

約数和(自身を含む): 30370609152

約数和(自身を除く): 9890149203

約数列:

[1, 3, 9, 47, 141, 191, 423, 573, 1719, 8977, 26931, 80793, 253493, 760479, 2281437, 11914171, 35742513, 48417163, 107227539, 145251489, 435754467, 2275606661, 6826819983, 20480459949]

約数ペア:

[(1, 20480459949), (3, 6826819983), (9, 2275606661), (47, 435754467), (141, 145251489), (191, 107227539), (423, 48417163), (573, 35742513), (1719, 11914171), (8977, 2281437), (26931, 760479), (80793, 253493)]