20202112

素因数分解:

$2^7\times 7^2\times {\mathrm{3221}}^1$

素因数の和:3249

約数の個数: 48

約数和(自身を含む): 46831770

約数和(自身を除く): 26629658

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3221, 6272, 6442, 12884, 22547, 25768, 45094, 51536, 90188, 103072, 157829, 180376, 206144, 315658, 360752, 412288, 631316, 721504, 1262632, 1443008, 2525264, 2886016, 5050528, 10101056, 20202112]

約数ペア:

[(1, 20202112), (2, 10101056), (4, 5050528), (7, 2886016), (8, 2525264), (14, 1443008), (16, 1262632), (28, 721504), (32, 631316), (49, 412288), (56, 360752), (64, 315658), (98, 206144), (112, 180376), (128, 157829), (196, 103072), (224, 90188), (392, 51536), (448, 45094), (784, 25768), (896, 22547), (1568, 12884), (3136, 6442), (3221, 6272)]