20619370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2382

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19297430

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2309, 4465, 4618, 8930, 11545, 23090, 43871, 87742, 108523, 217046, 219355, 438710, 542615, 1085230, 2061937, 4123874, 10309685, 20619370]

約数ペア:

[(1, 20619370), (2, 10309685), (5, 4123874), (10, 2061937), (19, 1085230), (38, 542615), (47, 438710), (94, 219355), (95, 217046), (190, 108523), (235, 87742), (470, 43871), (893, 23090), (1786, 11545), (2309, 8930), (4465, 4618)]