20028996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42797}}^1$

素因数の和:42820

約数の個数: 36

約数和(自身を含む): 54524652

約数和(自身を除く): 34495656

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42797, 85594, 128391, 171188, 256782, 385173, 513564, 556361, 770346, 1112722, 1540692, 1669083, 2225444, 3338166, 5007249, 6676332, 10014498, 20028996]

約数ペア:

[(1, 20028996), (2, 10014498), (3, 6676332), (4, 5007249), (6, 3338166), (9, 2225444), (12, 1669083), (13, 1540692), (18, 1112722), (26, 770346), (36, 556361), (39, 513564), (52, 385173), (78, 256782), (117, 171188), (156, 128391), (234, 85594), (468, 42797)]