20968119

素因数分解:

$3^3\times {\mathrm{67}}^2\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 24

約数和(自身を含む): 31716720

約数和(自身を除く): 10748601

約数列:

[1, 3, 9, 27, 67, 173, 201, 519, 603, 1557, 1809, 4489, 4671, 11591, 13467, 34773, 40401, 104319, 121203, 312957, 776597, 2329791, 6989373, 20968119]

約数ペア:

[(1, 20968119), (3, 6989373), (9, 2329791), (27, 776597), (67, 312957), (173, 121203), (201, 104319), (519, 40401), (603, 34773), (1557, 13467), (1809, 11591), (4489, 4671)]