20514468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 31558812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1229, 1284, 1391, 2458, 2782, 3687, 4173, 4916, 5564, 7374, 8346, 14748, 15977, 16692, 31954, 47931, 63908, 95862, 131503, 191724, 263006, 394509, 526012, 789018, 1578036, 1709539, 3419078, 5128617, 6838156, 10257234, 20514468]

約数ペア:

[(1, 20514468), (2, 10257234), (3, 6838156), (4, 5128617), (6, 3419078), (12, 1709539), (13, 1578036), (26, 789018), (39, 526012), (52, 394509), (78, 263006), (107, 191724), (156, 131503), (214, 95862), (321, 63908), (428, 47931), (642, 31954), (1229, 16692), (1284, 15977), (1391, 14748), (2458, 8346), (2782, 7374), (3687, 5564), (4173, 4916)]