20547420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11047}}^1$

素因数の和:11090

約数の個数: 48

約数和(自身を含む): 59394048

約数和(自身を除く): 38846628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11047, 22094, 33141, 44188, 55235, 66282, 110470, 132564, 165705, 220940, 331410, 342457, 662820, 684914, 1027371, 1369828, 1712285, 2054742, 3424570, 4109484, 5136855, 6849140, 10273710, 20547420]

約数ペア:

[(1, 20547420), (2, 10273710), (3, 6849140), (4, 5136855), (5, 4109484), (6, 3424570), (10, 2054742), (12, 1712285), (15, 1369828), (20, 1027371), (30, 684914), (31, 662820), (60, 342457), (62, 331410), (93, 220940), (124, 165705), (155, 132564), (186, 110470), (310, 66282), (372, 55235), (465, 44188), (620, 33141), (930, 22094), (1860, 11047)]