20659484

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 37606800

約数和(自身を除く): 16947316

約数列:

[1, 2, 4, 29, 58, 116, 241, 482, 739, 964, 1478, 2956, 6989, 13978, 21431, 27956, 42862, 85724, 178099, 356198, 712396, 5164871, 10329742, 20659484]

約数ペア:

[(1, 20659484), (2, 10329742), (4, 5164871), (29, 712396), (58, 356198), (116, 178099), (241, 85724), (482, 42862), (739, 27956), (964, 21431), (1478, 13978), (2956, 6989)]