20215686969

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{67447}}^1$

素因数の和:68126

約数の個数: 32

約数和(自身を含む): 31759914240

約数和(自身を除く): 11544227271

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 653, 1959, 5877, 11101, 17631, 33303, 67447, 99909, 202341, 299727, 607023, 1146599, 1821069, 3439797, 10319391, 30958173, 44042891, 132128673, 396386019, 748729147, 1189158057, 2246187441, 6738562323, 20215686969]

約数ペア:

[(1, 20215686969), (3, 6738562323), (9, 2246187441), (17, 1189158057), (27, 748729147), (51, 396386019), (153, 132128673), (459, 44042891), (653, 30958173), (1959, 10319391), (5877, 3439797), (11101, 1821069), (17631, 1146599), (33303, 607023), (67447, 299727), (99909, 202341)]