20747244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{673}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 55559168

約数和(自身を除く): 34811924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 673, 734, 1101, 1346, 1468, 2019, 2202, 2569, 2692, 4038, 4404, 4711, 5138, 7707, 8076, 9422, 10276, 14133, 15414, 18844, 28266, 30828, 56532, 246991, 493982, 740973, 987964, 1481946, 1728937, 2963892, 3457874, 5186811, 6915748, 10373622, 20747244]

約数ペア:

[(1, 20747244), (2, 10373622), (3, 6915748), (4, 5186811), (6, 3457874), (7, 2963892), (12, 1728937), (14, 1481946), (21, 987964), (28, 740973), (42, 493982), (84, 246991), (367, 56532), (673, 30828), (734, 28266), (1101, 18844), (1346, 15414), (1468, 14133), (2019, 10276), (2202, 9422), (2569, 8076), (2692, 7707), (4038, 5138), (4404, 4711)]