20502756

素因数分解:

$2^2\times 3^2\times {\mathrm{383}}^1\times {\mathrm{1487}}^1$

素因数の和:1880

約数の個数: 36

約数和(自身を含む): 51996672

約数和(自身を除く): 31493916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 383, 766, 1149, 1487, 1532, 2298, 2974, 3447, 4461, 4596, 5948, 6894, 8922, 13383, 13788, 17844, 26766, 53532, 569521, 1139042, 1708563, 2278084, 3417126, 5125689, 6834252, 10251378, 20502756]

約数ペア:

[(1, 20502756), (2, 10251378), (3, 6834252), (4, 5125689), (6, 3417126), (9, 2278084), (12, 1708563), (18, 1139042), (36, 569521), (383, 53532), (766, 26766), (1149, 17844), (1487, 13788), (1532, 13383), (2298, 8922), (2974, 6894), (3447, 5948), (4461, 4596)]