20636712

素因数分解:

$2^3\times 3^2\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 56103840

約数和(自身を除く): 35467128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 443, 647, 886, 1294, 1329, 1772, 1941, 2588, 2658, 3544, 3882, 3987, 5176, 5316, 5823, 7764, 7974, 10632, 11646, 15528, 15948, 23292, 31896, 46584, 286621, 573242, 859863, 1146484, 1719726, 2292968, 2579589, 3439452, 5159178, 6878904, 10318356, 20636712]

約数ペア:

[(1, 20636712), (2, 10318356), (3, 6878904), (4, 5159178), (6, 3439452), (8, 2579589), (9, 2292968), (12, 1719726), (18, 1146484), (24, 859863), (36, 573242), (72, 286621), (443, 46584), (647, 31896), (886, 23292), (1294, 15948), (1329, 15528), (1772, 11646), (1941, 10632), (2588, 7974), (2658, 7764), (3544, 5823), (3882, 5316), (3987, 5176)]