20155305989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{131759}}^1$

素因数の和:131861

約数の個数: 24

約数和(自身を含む): 25426517760

約数和(自身を除く): 5271211771

約数列:

[1, 7, 13, 41, 91, 287, 533, 1681, 3731, 11767, 21853, 131759, 152971, 922313, 1712867, 5402119, 11990069, 37814833, 70227547, 221486879, 491592829, 1550408153, 2879329427, 20155305989]

約数ペア:

[(1, 20155305989), (7, 2879329427), (13, 1550408153), (41, 491592829), (91, 221486879), (287, 70227547), (533, 37814833), (1681, 11990069), (3731, 5402119), (11767, 1712867), (21853, 922313), (131759, 152971)]