20355894

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 28995786

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 107, 117, 214, 234, 271, 321, 351, 542, 642, 702, 813, 963, 1391, 1626, 1926, 2439, 2782, 2889, 3523, 4173, 4878, 5778, 7046, 7317, 8346, 10569, 12519, 14634, 21138, 25038, 28997, 31707, 37557, 57994, 63414, 75114, 86991, 95121, 173982, 190242, 260973, 376961, 521946, 753922, 782919, 1130883, 1565838, 2261766, 3392649, 6785298, 10177947, 20355894]

約数ペア:

[(1, 20355894), (2, 10177947), (3, 6785298), (6, 3392649), (9, 2261766), (13, 1565838), (18, 1130883), (26, 782919), (27, 753922), (39, 521946), (54, 376961), (78, 260973), (107, 190242), (117, 173982), (214, 95121), (234, 86991), (271, 75114), (321, 63414), (351, 57994), (542, 37557), (642, 31707), (702, 28997), (813, 25038), (963, 21138), (1391, 14634), (1626, 12519), (1926, 10569), (2439, 8346), (2782, 7317), (2889, 7046), (3523, 5778), (4173, 4878)]