20534528

素因数分解:

$2^8\times 7^2\times {\mathrm{1637}}^1$

素因数の和:1667

約数の個数: 54

約数和(自身を含む): 47710026

約数和(自身を除く): 27175498

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1637, 1792, 3136, 3274, 6272, 6548, 11459, 12544, 13096, 22918, 26192, 45836, 52384, 80213, 91672, 104768, 160426, 183344, 209536, 320852, 366688, 419072, 641704, 733376, 1283408, 1466752, 2566816, 2933504, 5133632, 10267264, 20534528]

約数ペア:

[(1, 20534528), (2, 10267264), (4, 5133632), (7, 2933504), (8, 2566816), (14, 1466752), (16, 1283408), (28, 733376), (32, 641704), (49, 419072), (56, 366688), (64, 320852), (98, 209536), (112, 183344), (128, 160426), (196, 104768), (224, 91672), (256, 80213), (392, 52384), (448, 45836), (784, 26192), (896, 22918), (1568, 13096), (1637, 12544), (1792, 11459), (3136, 6548), (3274, 6272)]