20428488

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1879}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 55723200

約数和(自身を除く): 35294712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 1879, 2718, 3624, 3758, 5436, 5637, 7516, 10872, 11274, 15032, 16911, 22548, 33822, 45096, 67644, 135288, 283729, 567458, 851187, 1134916, 1702374, 2269832, 2553561, 3404748, 5107122, 6809496, 10214244, 20428488]

約数ペア:

[(1, 20428488), (2, 10214244), (3, 6809496), (4, 5107122), (6, 3404748), (8, 2553561), (9, 2269832), (12, 1702374), (18, 1134916), (24, 851187), (36, 567458), (72, 283729), (151, 135288), (302, 67644), (453, 45096), (604, 33822), (906, 22548), (1208, 16911), (1359, 15032), (1812, 11274), (1879, 10872), (2718, 7516), (3624, 5637), (3758, 5436)]