20870724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248461}}^1$

素因数の和:248475

約数の個数: 24

約数和(自身を含む): 55655488

約数和(自身を除く): 34784764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248461, 496922, 745383, 993844, 1490766, 1739227, 2981532, 3478454, 5217681, 6956908, 10435362, 20870724]

約数ペア:

[(1, 20870724), (2, 10435362), (3, 6956908), (4, 5217681), (6, 3478454), (7, 2981532), (12, 1739227), (14, 1490766), (21, 993844), (28, 745383), (42, 496922), (84, 248461)]