20337135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 41029632

約数和(自身を除く): 20692497

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 235, 273, 317, 329, 455, 611, 705, 951, 987, 1365, 1585, 1645, 1833, 2219, 3055, 4121, 4277, 4755, 4935, 6657, 9165, 11095, 12363, 12831, 14899, 20605, 21385, 28847, 33285, 44697, 61815, 64155, 74495, 86541, 104293, 144235, 193687, 223485, 312879, 432705, 521465, 581061, 968435, 1355809, 1564395, 2905305, 4067427, 6779045, 20337135]

約数ペア:

[(1, 20337135), (3, 6779045), (5, 4067427), (7, 2905305), (13, 1564395), (15, 1355809), (21, 968435), (35, 581061), (39, 521465), (47, 432705), (65, 312879), (91, 223485), (105, 193687), (141, 144235), (195, 104293), (235, 86541), (273, 74495), (317, 64155), (329, 61815), (455, 44697), (611, 33285), (705, 28847), (951, 21385), (987, 20605), (1365, 14899), (1585, 12831), (1645, 12363), (1833, 11095), (2219, 9165), (3055, 6657), (4121, 4935), (4277, 4755)]