20195266

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2999}}^1$

素因数の和:3058

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 18108734

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 2999, 3367, 5998, 6734, 20993, 38987, 41986, 77974, 110963, 221926, 272909, 545818, 776741, 1442519, 1553482, 2885038, 10097633, 20195266]

約数ペア:

[(1, 20195266), (2, 10097633), (7, 2885038), (13, 1553482), (14, 1442519), (26, 776741), (37, 545818), (74, 272909), (91, 221926), (182, 110963), (259, 77974), (481, 41986), (518, 38987), (962, 20993), (2999, 6734), (3367, 5998)]