20818848

素因数分解:

$2^5\times 3^1\times {\mathrm{229}}^1\times {\mathrm{947}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 54946080

約数和(自身を除く): 34127232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 229, 458, 687, 916, 947, 1374, 1832, 1894, 2748, 2841, 3664, 3788, 5496, 5682, 7328, 7576, 10992, 11364, 15152, 21984, 22728, 30304, 45456, 90912, 216863, 433726, 650589, 867452, 1301178, 1734904, 2602356, 3469808, 5204712, 6939616, 10409424, 20818848]

約数ペア:

[(1, 20818848), (2, 10409424), (3, 6939616), (4, 5204712), (6, 3469808), (8, 2602356), (12, 1734904), (16, 1301178), (24, 867452), (32, 650589), (48, 433726), (96, 216863), (229, 90912), (458, 45456), (687, 30304), (916, 22728), (947, 21984), (1374, 15152), (1832, 11364), (1894, 10992), (2748, 7576), (2841, 7328), (3664, 5682), (3788, 5496)]