20380692

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 30422508

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1259, 1349, 2518, 2698, 3777, 4047, 5036, 5396, 7554, 8094, 15108, 16188, 23921, 47842, 71763, 89389, 95684, 143526, 178778, 268167, 287052, 357556, 536334, 1072668, 1698391, 3396782, 5095173, 6793564, 10190346, 20380692]

約数ペア:

[(1, 20380692), (2, 10190346), (3, 6793564), (4, 5095173), (6, 3396782), (12, 1698391), (19, 1072668), (38, 536334), (57, 357556), (71, 287052), (76, 268167), (114, 178778), (142, 143526), (213, 95684), (228, 89389), (284, 71763), (426, 47842), (852, 23921), (1259, 16188), (1349, 15108), (2518, 8094), (2698, 7554), (3777, 5396), (4047, 5036)]