20986224

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62459}}^1$

素因数の和:62477

約数の個数: 40

約数和(自身を含む): 61960320

約数和(自身を除く): 40974096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62459, 124918, 187377, 249836, 374754, 437213, 499672, 749508, 874426, 999344, 1311639, 1499016, 1748852, 2623278, 2998032, 3497704, 5246556, 6995408, 10493112, 20986224]

約数ペア:

[(1, 20986224), (2, 10493112), (3, 6995408), (4, 5246556), (6, 3497704), (7, 2998032), (8, 2623278), (12, 1748852), (14, 1499016), (16, 1311639), (21, 999344), (24, 874426), (28, 749508), (42, 499672), (48, 437213), (56, 374754), (84, 249836), (112, 187377), (168, 124918), (336, 62459)]