16232020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 41231232

約数和(自身を除く): 24999212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 92, 115, 140, 142, 161, 230, 284, 322, 355, 460, 497, 644, 710, 805, 994, 1420, 1610, 1633, 1988, 2485, 3220, 3266, 4970, 5041, 6532, 8165, 9940, 10082, 11431, 16330, 20164, 22862, 25205, 32660, 35287, 45724, 50410, 57155, 70574, 100820, 114310, 115943, 141148, 176435, 228620, 231886, 352870, 463772, 579715, 705740, 811601, 1159430, 1623202, 2318860, 3246404, 4058005, 8116010, 16232020]

約数ペア:

[(1, 16232020), (2, 8116010), (4, 4058005), (5, 3246404), (7, 2318860), (10, 1623202), (14, 1159430), (20, 811601), (23, 705740), (28, 579715), (35, 463772), (46, 352870), (70, 231886), (71, 228620), (92, 176435), (115, 141148), (140, 115943), (142, 114310), (161, 100820), (230, 70574), (284, 57155), (322, 50410), (355, 45724), (460, 35287), (497, 32660), (644, 25205), (710, 22862), (805, 20164), (994, 16330), (1420, 11431), (1610, 10082), (1633, 9940), (1988, 8165), (2485, 6532), (3220, 5041), (3266, 4970)]