20945996

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 37850736

約数和(自身を除く): 16904740

約数列:

[1, 2, 4, 37, 74, 148, 307, 461, 614, 922, 1228, 1844, 11359, 17057, 22718, 34114, 45436, 68228, 141527, 283054, 566108, 5236499, 10472998, 20945996]

約数ペア:

[(1, 20945996), (2, 10472998), (4, 5236499), (37, 566108), (74, 283054), (148, 141527), (307, 68228), (461, 45436), (614, 34114), (922, 22718), (1228, 17057), (1844, 11359)]