20736

素因数分解:

$2^8\times 3^4$

素因数の和:28

約数の個数: 45

約数和(自身を含む): 61831

約数和(自身を除く): 41095

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1152, 1296, 1728, 2304, 2592, 3456, 5184, 6912, 10368, 20736]

約数ペア:

[(1, 20736), (2, 10368), (3, 6912), (4, 5184), (6, 3456), (8, 2592), (9, 2304), (12, 1728), (16, 1296), (18, 1152), (24, 864), (27, 768), (32, 648), (36, 576), (48, 432), (54, 384), (64, 324), (72, 288), (81, 256), (96, 216), (108, 192), (128, 162)]