20906490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63353}}^1$

素因数の和:63374

約数の個数: 32

約数和(自身を含む): 54737856

約数和(自身を除く): 33831366

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63353, 126706, 190059, 316765, 380118, 633530, 696883, 950295, 1393766, 1900590, 2090649, 3484415, 4181298, 6968830, 10453245, 20906490]

約数ペア:

[(1, 20906490), (2, 10453245), (3, 6968830), (5, 4181298), (6, 3484415), (10, 2090649), (11, 1900590), (15, 1393766), (22, 950295), (30, 696883), (33, 633530), (55, 380118), (66, 316765), (110, 190059), (165, 126706), (330, 63353)]