20091900517

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{345679}}^1$

素因数の和:345972

約数の個数: 16

約数和(自身を含む): 22997399040

約数和(自身を除く): 2905498523

約数列:

[1, 13, 17, 221, 263, 3419, 4471, 58123, 345679, 4493827, 5876543, 76395059, 90913577, 1181876501, 1545530809, 20091900517]

約数ペア:

[(1, 20091900517), (13, 1545530809), (17, 1181876501), (221, 90913577), (263, 76395059), (3419, 5876543), (4471, 4493827), (58123, 345679)]