20249640324

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421973}}^1$

素因数の和:422057

約数の個数: 72

約数和(自身を含む): 54066684672

約数和(自身を除く): 33817044348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 516, 558, 774, 1116, 1333, 1548, 2666, 3999, 5332, 7998, 11997, 15996, 23994, 47988, 421973, 843946, 1265919, 1687892, 2531838, 3797757, 5063676, 7595514, 13081163, 15191028, 18144839, 26162326, 36289678, 39243489, 52324652, 54434517, 72579356, 78486978, 108869034, 117730467, 156973956, 163303551, 217738068, 235460934, 326607102, 470921868, 562490009, 653214204, 1124980018, 1687470027, 2249960036, 3374940054, 5062410081, 6749880108, 10124820162, 20249640324]

約数ペア:

[(1, 20249640324), (2, 10124820162), (3, 6749880108), (4, 5062410081), (6, 3374940054), (9, 2249960036), (12, 1687470027), (18, 1124980018), (31, 653214204), (36, 562490009), (43, 470921868), (62, 326607102), (86, 235460934), (93, 217738068), (124, 163303551), (129, 156973956), (172, 117730467), (186, 108869034), (258, 78486978), (279, 72579356), (372, 54434517), (387, 52324652), (516, 39243489), (558, 36289678), (774, 26162326), (1116, 18144839), (1333, 15191028), (1548, 13081163), (2666, 7595514), (3999, 5063676), (5332, 3797757), (7998, 2531838), (11997, 1687892), (15996, 1265919), (23994, 843946), (47988, 421973)]