20951109

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{9349}}^1$

素因数の和:9441

約数の個数: 16

約数和(自身を含む): 31416000

約数和(自身を除く): 10464891

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 9349, 28047, 84141, 252423, 775967, 2327901, 6983703, 20951109]

約数ペア:

[(1, 20951109), (3, 6983703), (9, 2327901), (27, 775967), (83, 252423), (249, 84141), (747, 28047), (2241, 9349)]