20061558

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 72

約数和(自身を含む): 48882288

約数和(自身を除く): 28820730

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 121, 122, 151, 183, 198, 242, 302, 363, 366, 453, 549, 671, 726, 906, 1089, 1098, 1342, 1359, 1661, 2013, 2178, 2718, 3322, 4026, 4983, 6039, 7381, 9211, 9966, 12078, 14762, 14949, 18271, 18422, 22143, 27633, 29898, 36542, 44286, 54813, 55266, 66429, 82899, 101321, 109626, 132858, 164439, 165798, 202642, 303963, 328878, 607926, 911889, 1114531, 1823778, 2229062, 3343593, 6687186, 10030779, 20061558]

約数ペア:

[(1, 20061558), (2, 10030779), (3, 6687186), (6, 3343593), (9, 2229062), (11, 1823778), (18, 1114531), (22, 911889), (33, 607926), (61, 328878), (66, 303963), (99, 202642), (121, 165798), (122, 164439), (151, 132858), (183, 109626), (198, 101321), (242, 82899), (302, 66429), (363, 55266), (366, 54813), (453, 44286), (549, 36542), (671, 29898), (726, 27633), (906, 22143), (1089, 18422), (1098, 18271), (1342, 14949), (1359, 14762), (1661, 12078), (2013, 9966), (2178, 9211), (2718, 7381), (3322, 6039), (4026, 4983)]