20549536

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 26020064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 461, 796, 922, 1393, 1592, 1844, 2786, 3184, 3227, 3688, 5572, 6368, 6454, 7376, 11144, 12908, 14752, 22288, 25816, 44576, 51632, 91739, 103264, 183478, 366956, 642173, 733912, 1284346, 1467824, 2568692, 2935648, 5137384, 10274768, 20549536]

約数ペア:

[(1, 20549536), (2, 10274768), (4, 5137384), (7, 2935648), (8, 2568692), (14, 1467824), (16, 1284346), (28, 733912), (32, 642173), (56, 366956), (112, 183478), (199, 103264), (224, 91739), (398, 51632), (461, 44576), (796, 25816), (922, 22288), (1393, 14752), (1592, 12908), (1844, 11144), (2786, 7376), (3184, 6454), (3227, 6368), (3688, 5572)]