20255664

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 120

約数和(自身を含む): 62085312

約数和(自身を除く): 41829648

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 169, 176, 208, 227, 264, 286, 312, 338, 429, 454, 507, 528, 572, 624, 676, 681, 858, 908, 1014, 1144, 1352, 1362, 1716, 1816, 1859, 2028, 2288, 2497, 2704, 2724, 2951, 3432, 3632, 3718, 4056, 4994, 5448, 5577, 5902, 6864, 7436, 7491, 8112, 8853, 9988, 10896, 11154, 11804, 14872, 14982, 17706, 19976, 22308, 23608, 29744, 29964, 32461, 35412, 38363, 39952, 44616, 47216, 59928, 64922, 70824, 76726, 89232, 97383, 115089, 119856, 129844, 141648, 153452, 194766, 230178, 259688, 306904, 389532, 421993, 460356, 519376, 613808, 779064, 843986, 920712, 1265979, 1558128, 1687972, 1841424, 2531958, 3375944, 5063916, 6751888, 10127832, 20255664]

約数ペア:

[(1, 20255664), (2, 10127832), (3, 6751888), (4, 5063916), (6, 3375944), (8, 2531958), (11, 1841424), (12, 1687972), (13, 1558128), (16, 1265979), (22, 920712), (24, 843986), (26, 779064), (33, 613808), (39, 519376), (44, 460356), (48, 421993), (52, 389532), (66, 306904), (78, 259688), (88, 230178), (104, 194766), (132, 153452), (143, 141648), (156, 129844), (169, 119856), (176, 115089), (208, 97383), (227, 89232), (264, 76726), (286, 70824), (312, 64922), (338, 59928), (429, 47216), (454, 44616), (507, 39952), (528, 38363), (572, 35412), (624, 32461), (676, 29964), (681, 29744), (858, 23608), (908, 22308), (1014, 19976), (1144, 17706), (1352, 14982), (1362, 14872), (1716, 11804), (1816, 11154), (1859, 10896), (2028, 9988), (2288, 8853), (2497, 8112), (2704, 7491), (2724, 7436), (2951, 6864), (3432, 5902), (3632, 5577), (3718, 5448), (4056, 4994)]