20203816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 40078080

約数和(自身を除く): 19874264

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 1987, 2542, 3974, 5084, 7948, 10168, 15896, 61597, 81467, 123194, 162934, 246388, 325868, 492776, 651736, 2525477, 5050954, 10101908, 20203816]

約数ペア:

[(1, 20203816), (2, 10101908), (4, 5050954), (8, 2525477), (31, 651736), (41, 492776), (62, 325868), (82, 246388), (124, 162934), (164, 123194), (248, 81467), (328, 61597), (1271, 15896), (1987, 10168), (2542, 7948), (3974, 5084)]