20484184

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21517}}^1$

素因数の和:21547

約数の個数: 32

約数和(自身を含む): 46478880

約数和(自身を除く): 25994696

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21517, 43034, 86068, 150619, 172136, 301238, 365789, 602476, 731578, 1204952, 1463156, 2560523, 2926312, 5121046, 10242092, 20484184]

約数ペア:

[(1, 20484184), (2, 10242092), (4, 5121046), (7, 2926312), (8, 2560523), (14, 1463156), (17, 1204952), (28, 731578), (34, 602476), (56, 365789), (68, 301238), (119, 172136), (136, 150619), (238, 86068), (476, 43034), (952, 21517)]