20494572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{907}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 54915840

約数和(自身を除く): 34421268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 269, 538, 807, 907, 1076, 1614, 1814, 1883, 2721, 3228, 3628, 3766, 5442, 5649, 6349, 7532, 10884, 11298, 12698, 19047, 22596, 25396, 38094, 76188, 243983, 487966, 731949, 975932, 1463898, 1707881, 2927796, 3415762, 5123643, 6831524, 10247286, 20494572]

約数ペア:

[(1, 20494572), (2, 10247286), (3, 6831524), (4, 5123643), (6, 3415762), (7, 2927796), (12, 1707881), (14, 1463898), (21, 975932), (28, 731949), (42, 487966), (84, 243983), (269, 76188), (538, 38094), (807, 25396), (907, 22596), (1076, 19047), (1614, 12698), (1814, 11298), (1883, 10884), (2721, 7532), (3228, 6349), (3628, 5649), (3766, 5442)]