20674611

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 30831840

約数和(自身を除く): 10157229

約数列:

[1, 3, 9, 53, 89, 159, 267, 477, 487, 801, 1461, 4383, 4717, 14151, 25811, 42453, 43343, 77433, 130029, 232299, 390087, 2297179, 6891537, 20674611]

約数ペア:

[(1, 20674611), (3, 6891537), (9, 2297179), (53, 390087), (89, 232299), (159, 130029), (267, 77433), (477, 43343), (487, 42453), (801, 25811), (1461, 14151), (4383, 4717)]