20955591

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 31799040

約数和(自身を除く): 10843449

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 747, 1039, 2241, 3117, 6723, 9351, 20169, 28053, 84159, 86237, 252477, 258711, 776133, 2328399, 6985197, 20955591]

約数ペア:

[(1, 20955591), (3, 6985197), (9, 2328399), (27, 776133), (81, 258711), (83, 252477), (243, 86237), (249, 84159), (747, 28053), (1039, 20169), (2241, 9351), (3117, 6723)]