20126955

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 33882624

約数和(自身を除く): 13755669

約数列:

[1, 3, 5, 15, 23, 69, 115, 227, 257, 345, 681, 771, 1135, 1285, 3405, 3855, 5221, 5911, 15663, 17733, 26105, 29555, 58339, 78315, 88665, 175017, 291695, 875085, 1341797, 4025391, 6708985, 20126955]

約数ペア:

[(1, 20126955), (3, 6708985), (5, 4025391), (15, 1341797), (23, 875085), (69, 291695), (115, 175017), (227, 88665), (257, 78315), (345, 58339), (681, 29555), (771, 26105), (1135, 17733), (1285, 15663), (3405, 5911), (3855, 5221)]