20412144

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:862

約数の個数: 60

約数和(自身を含む): 57467800

約数和(自身を除く): 37055656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 619, 687, 916, 1238, 1374, 1832, 1857, 2061, 2476, 2748, 3664, 3714, 4122, 4952, 5496, 5571, 7428, 8244, 9904, 10992, 11142, 14856, 16488, 22284, 29712, 32976, 44568, 89136, 141751, 283502, 425253, 567004, 850506, 1134008, 1275759, 1701012, 2268016, 2551518, 3402024, 5103036, 6804048, 10206072, 20412144]

約数ペア:

[(1, 20412144), (2, 10206072), (3, 6804048), (4, 5103036), (6, 3402024), (8, 2551518), (9, 2268016), (12, 1701012), (16, 1275759), (18, 1134008), (24, 850506), (36, 567004), (48, 425253), (72, 283502), (144, 141751), (229, 89136), (458, 44568), (619, 32976), (687, 29712), (916, 22284), (1238, 16488), (1374, 14856), (1832, 11142), (1857, 10992), (2061, 9904), (2476, 8244), (2748, 7428), (3664, 5571), (3714, 5496), (4122, 4952)]