20517266

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 40848192

約数和(自身を除く): 20330926

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 461, 578, 922, 1309, 2023, 2618, 3179, 3227, 4046, 5071, 6358, 6454, 7837, 10142, 15674, 22253, 35497, 44506, 54859, 70994, 86207, 109718, 133229, 172414, 266458, 603449, 932603, 1206898, 1465519, 1865206, 2931038, 10258633, 20517266]

約数ペア:

[(1, 20517266), (2, 10258633), (7, 2931038), (11, 1865206), (14, 1465519), (17, 1206898), (22, 932603), (34, 603449), (77, 266458), (119, 172414), (154, 133229), (187, 109718), (238, 86207), (289, 70994), (374, 54859), (461, 44506), (578, 35497), (922, 22253), (1309, 15674), (2023, 10142), (2618, 7837), (3179, 6454), (3227, 6358), (4046, 5071)]