20955216

素因数分解:

$2^4\times 3^1\times {\mathrm{461}}^1\times {\mathrm{947}}^1$

素因数の和:1419

約数の個数: 40

約数和(自身を含む): 54309024

約数和(自身を除く): 33353808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 461, 922, 947, 1383, 1844, 1894, 2766, 2841, 3688, 3788, 5532, 5682, 7376, 7576, 11064, 11364, 15152, 22128, 22728, 45456, 436567, 873134, 1309701, 1746268, 2619402, 3492536, 5238804, 6985072, 10477608, 20955216]

約数ペア:

[(1, 20955216), (2, 10477608), (3, 6985072), (4, 5238804), (6, 3492536), (8, 2619402), (12, 1746268), (16, 1309701), (24, 873134), (48, 436567), (461, 45456), (922, 22728), (947, 22128), (1383, 15152), (1844, 11364), (1894, 11064), (2766, 7576), (2841, 7376), (3688, 5682), (3788, 5532)]