20838546

素因数分解:

$2^1\times 3^4\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 46957680

約数和(自身を除く): 26119134

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 307, 419, 614, 838, 921, 1257, 1842, 2514, 2763, 3771, 5526, 7542, 8289, 11313, 16578, 22626, 24867, 33939, 49734, 67878, 128633, 257266, 385899, 771798, 1157697, 2315394, 3473091, 6946182, 10419273, 20838546]

約数ペア:

[(1, 20838546), (2, 10419273), (3, 6946182), (6, 3473091), (9, 2315394), (18, 1157697), (27, 771798), (54, 385899), (81, 257266), (162, 128633), (307, 67878), (419, 49734), (614, 33939), (838, 24867), (921, 22626), (1257, 16578), (1842, 11313), (2514, 8289), (2763, 7542), (3771, 5526)]