20488515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59387}}^1$

素因数の和:59418

約数の個数: 16

約数和(自身を含む): 34207488

約数和(自身を除く): 13718973

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59387, 178161, 296935, 890805, 1365901, 4097703, 6829505, 20488515]

約数ペア:

[(1, 20488515), (3, 6829505), (5, 4097703), (15, 1365901), (23, 890805), (69, 296935), (115, 178161), (345, 59387)]