20187305541

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{3511}}^1\times {\mathrm{16381}}^1$

素因数の和:19914

約数の個数: 32

約数和(自身を含む): 32218807040

約数和(自身を除く): 12031501499

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 3511, 10533, 16381, 31599, 45643, 49143, 94797, 136929, 147429, 212953, 410787, 442287, 638859, 1232361, 1916577, 5749731, 57513691, 172541073, 517623219, 747677983, 1552869657, 2243033949, 6729101847, 20187305541]

約数ペア:

[(1, 20187305541), (3, 6729101847), (9, 2243033949), (13, 1552869657), (27, 747677983), (39, 517623219), (117, 172541073), (351, 57513691), (3511, 5749731), (10533, 1916577), (16381, 1232361), (31599, 638859), (45643, 442287), (49143, 410787), (94797, 212953), (136929, 147429)]