20457948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10589}}^1$

素因数の和:10626

約数の個数: 48

約数和(自身を含む): 56931840

約数和(自身を除く): 36473892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 10589, 21178, 31767, 42356, 63534, 74123, 127068, 148246, 222369, 243547, 296492, 444738, 487094, 730641, 889476, 974188, 1461282, 1704829, 2922564, 3409658, 5114487, 6819316, 10228974, 20457948]

約数ペア:

[(1, 20457948), (2, 10228974), (3, 6819316), (4, 5114487), (6, 3409658), (7, 2922564), (12, 1704829), (14, 1461282), (21, 974188), (23, 889476), (28, 730641), (42, 487094), (46, 444738), (69, 296492), (84, 243547), (92, 222369), (138, 148246), (161, 127068), (276, 74123), (322, 63534), (483, 42356), (644, 31767), (966, 21178), (1932, 10589)]