20999832

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2551}}^1$

素因数の和:2581

約数の個数: 64

約数和(自身を含む): 61248000

約数和(自身を除く): 40248168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2551, 2744, 4116, 5102, 7653, 8232, 10204, 15306, 17857, 20408, 30612, 35714, 53571, 61224, 71428, 107142, 124999, 142856, 214284, 249998, 374997, 428568, 499996, 749994, 874993, 999992, 1499988, 1749986, 2624979, 2999976, 3499972, 5249958, 6999944, 10499916, 20999832]

約数ペア:

[(1, 20999832), (2, 10499916), (3, 6999944), (4, 5249958), (6, 3499972), (7, 2999976), (8, 2624979), (12, 1749986), (14, 1499988), (21, 999992), (24, 874993), (28, 749994), (42, 499996), (49, 428568), (56, 374997), (84, 249998), (98, 214284), (147, 142856), (168, 124999), (196, 107142), (294, 71428), (343, 61224), (392, 53571), (588, 35714), (686, 30612), (1029, 20408), (1176, 17857), (1372, 15306), (2058, 10204), (2551, 8232), (2744, 7653), (4116, 5102)]