20454929079

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{23297}}^1$

素因数の和:23839

約数の個数: 32

約数和(自身を含む): 30060011520

約数和(自身を除く): 9605082441

約数列:

[1, 3, 13, 39, 47, 141, 479, 611, 1437, 1833, 6227, 18681, 22513, 23297, 67539, 69891, 292669, 302861, 878007, 908583, 1094959, 3284877, 11159263, 14234467, 33477789, 42703401, 145070419, 435211257, 524485361, 1573456083, 6818309693, 20454929079]

約数ペア:

[(1, 20454929079), (3, 6818309693), (13, 1573456083), (39, 524485361), (47, 435211257), (141, 145070419), (479, 42703401), (611, 33477789), (1437, 14234467), (1833, 11159263), (6227, 3284877), (18681, 1094959), (22513, 908583), (23297, 878007), (67539, 302861), (69891, 292669)]