20540955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59539}}^1$

素因数の和:59570

約数の個数: 16

約数和(自身を含む): 34295040

約数和(自身を除く): 13754085

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59539, 178617, 297695, 893085, 1369397, 4108191, 6846985, 20540955]

約数ペア:

[(1, 20540955), (3, 6846985), (5, 4108191), (15, 1369397), (23, 893085), (69, 297695), (115, 178617), (345, 59539)]