20187992172

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{243781}}^1$

素因数の和:243958

約数の個数: 48

約数和(自身を含む): 48272736512

約数和(自身を除く): 28084744340

約数列:

[1, 2, 3, 4, 6, 12, 67, 103, 134, 201, 206, 268, 309, 402, 412, 618, 804, 1236, 6901, 13802, 20703, 27604, 41406, 82812, 243781, 487562, 731343, 975124, 1462686, 2925372, 16333327, 25109443, 32666654, 48999981, 50218886, 65333308, 75328329, 97999962, 100437772, 150656658, 195999924, 301313316, 1682332681, 3364665362, 5046998043, 6729330724, 10093996086, 20187992172]

約数ペア:

[(1, 20187992172), (2, 10093996086), (3, 6729330724), (4, 5046998043), (6, 3364665362), (12, 1682332681), (67, 301313316), (103, 195999924), (134, 150656658), (201, 100437772), (206, 97999962), (268, 75328329), (309, 65333308), (402, 50218886), (412, 48999981), (618, 32666654), (804, 25109443), (1236, 16333327), (6901, 2925372), (13802, 1462686), (20703, 975124), (27604, 731343), (41406, 487562), (82812, 243781)]