20979744

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2633}}^1$

素因数の和:2729

約数の個数: 48

約数和(自身を含む): 55756512

約数和(自身を除く): 34776768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2633, 2656, 3984, 5266, 7899, 7968, 10532, 15798, 21064, 31596, 42128, 63192, 84256, 126384, 218539, 252768, 437078, 655617, 874156, 1311234, 1748312, 2622468, 3496624, 5244936, 6993248, 10489872, 20979744]

約数ペア:

[(1, 20979744), (2, 10489872), (3, 6993248), (4, 5244936), (6, 3496624), (8, 2622468), (12, 1748312), (16, 1311234), (24, 874156), (32, 655617), (48, 437078), (83, 252768), (96, 218539), (166, 126384), (249, 84256), (332, 63192), (498, 42128), (664, 31596), (996, 21064), (1328, 15798), (1992, 10532), (2633, 7968), (2656, 7899), (3984, 5266)]