20532729

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4091}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 10893831

約数列:

[1, 3, 7, 21, 239, 717, 1673, 4091, 5019, 12273, 28637, 85911, 977749, 2933247, 6844243, 20532729]

約数ペア:

[(1, 20532729), (3, 6844243), (7, 2933247), (21, 977749), (239, 85911), (717, 28637), (1673, 12273), (4091, 5019)]