20001476859

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1786963}}^1$

素因数の和:1787027

約数の個数: 32

約数和(自身を含む): 33623514624

約数和(自身を除く): 13622037765

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 11193, 1786963, 5360889, 12508741, 23230519, 37526223, 69691557, 73265483, 162613633, 219796449, 487840899, 512858381, 952451279, 1538575143, 2857353837, 6667158953, 20001476859]

約数ペア:

[(1, 20001476859), (3, 6667158953), (7, 2857353837), (13, 1538575143), (21, 952451279), (39, 512858381), (41, 487840899), (91, 219796449), (123, 162613633), (273, 73265483), (287, 69691557), (533, 37526223), (861, 23230519), (1599, 12508741), (3731, 5360889), (11193, 1786963)]