20534007

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 30014928

約数和(自身を除く): 9480921

約数列:

[1, 3, 13, 39, 101, 169, 303, 401, 507, 1203, 1313, 3939, 5213, 15639, 17069, 40501, 51207, 67769, 121503, 203307, 526513, 1579539, 6844669, 20534007]

約数ペア:

[(1, 20534007), (3, 6844669), (13, 1579539), (39, 526513), (101, 203307), (169, 121503), (303, 67769), (401, 51207), (507, 40501), (1203, 17069), (1313, 15639), (3939, 5213)]