20370294

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{601}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 30342186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 269, 538, 601, 807, 1202, 1614, 1803, 1883, 2421, 3606, 3766, 4207, 4842, 5409, 5649, 8414, 10818, 11298, 12621, 16947, 25242, 33894, 37863, 75726, 161669, 323338, 485007, 970014, 1131683, 1455021, 2263366, 2910042, 3395049, 6790098, 10185147, 20370294]

約数ペア:

[(1, 20370294), (2, 10185147), (3, 6790098), (6, 3395049), (7, 2910042), (9, 2263366), (14, 1455021), (18, 1131683), (21, 970014), (42, 485007), (63, 323338), (126, 161669), (269, 75726), (538, 37863), (601, 33894), (807, 25242), (1202, 16947), (1614, 12621), (1803, 11298), (1883, 10818), (2421, 8414), (3606, 5649), (3766, 5409), (4207, 4842)]