20388099

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 7432701

約数列:

[1, 3, 59, 177, 229, 503, 687, 1509, 13511, 29677, 40533, 89031, 115187, 345561, 6796033, 20388099]

約数ペア:

[(1, 20388099), (3, 6796033), (59, 345561), (177, 115187), (229, 89031), (503, 40533), (687, 29677), (1509, 13511)]