20964608

素因数分解:

$2^8\times 7^1\times {\mathrm{11699}}^1$

素因数の和:11722

約数の個数: 36

約数和(自身を含む): 47829600

約数和(自身を除く): 26864992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11699, 23398, 46796, 81893, 93592, 163786, 187184, 327572, 374368, 655144, 748736, 1310288, 1497472, 2620576, 2994944, 5241152, 10482304, 20964608]

約数ペア:

[(1, 20964608), (2, 10482304), (4, 5241152), (7, 2994944), (8, 2620576), (14, 1497472), (16, 1310288), (28, 748736), (32, 655144), (56, 374368), (64, 327572), (112, 187184), (128, 163786), (224, 93592), (256, 81893), (448, 46796), (896, 23398), (1792, 11699)]