20389382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 34884864

約数和(自身を除く): 14495482

約数列:

[1, 2, 13, 26, 31, 41, 62, 82, 403, 533, 617, 806, 1066, 1234, 1271, 2542, 8021, 16042, 16523, 19127, 25297, 33046, 38254, 50594, 248651, 328861, 497302, 657722, 784207, 1568414, 10194691, 20389382]

約数ペア:

[(1, 20389382), (2, 10194691), (13, 1568414), (26, 784207), (31, 657722), (41, 497302), (62, 328861), (82, 248651), (403, 50594), (533, 38254), (617, 33046), (806, 25297), (1066, 19127), (1234, 16523), (1271, 16042), (2542, 8021)]