20343378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 46854144

約数和(自身を除く): 26510766

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 61, 62, 66, 93, 122, 163, 183, 186, 326, 341, 366, 489, 671, 682, 978, 1023, 1342, 1793, 1891, 2013, 2046, 3586, 3782, 4026, 5053, 5379, 5673, 9943, 10106, 10758, 11346, 15159, 19886, 20801, 29829, 30318, 41602, 55583, 59658, 62403, 109373, 111166, 124806, 166749, 218746, 308233, 328119, 333498, 616466, 656238, 924699, 1849398, 3390563, 6781126, 10171689, 20343378]

約数ペア:

[(1, 20343378), (2, 10171689), (3, 6781126), (6, 3390563), (11, 1849398), (22, 924699), (31, 656238), (33, 616466), (61, 333498), (62, 328119), (66, 308233), (93, 218746), (122, 166749), (163, 124806), (183, 111166), (186, 109373), (326, 62403), (341, 59658), (366, 55583), (489, 41602), (671, 30318), (682, 29829), (978, 20801), (1023, 19886), (1342, 15159), (1793, 11346), (1891, 10758), (2013, 10106), (2046, 9943), (3586, 5673), (3782, 5379), (4026, 5053)]