20465217

素因数分解:

$3^6\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 28

約数和(自身を含む): 31216080

約数和(自身を除く): 10750863

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 419, 603, 729, 1257, 1809, 3771, 5427, 11313, 16281, 28073, 33939, 48843, 84219, 101817, 252657, 305451, 757971, 2273913, 6821739, 20465217]

約数ペア:

[(1, 20465217), (3, 6821739), (9, 2273913), (27, 757971), (67, 305451), (81, 252657), (201, 101817), (243, 84219), (419, 48843), (603, 33939), (729, 28073), (1257, 16281), (1809, 11313), (3771, 5427)]