20729095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 7264505

約数列:

[1, 5, 19, 23, 53, 95, 115, 179, 265, 437, 895, 1007, 1219, 2185, 3401, 4117, 5035, 6095, 9487, 17005, 20585, 23161, 47435, 78223, 115805, 180253, 218201, 391115, 901265, 1091005, 4145819, 20729095]

約数ペア:

[(1, 20729095), (5, 4145819), (19, 1091005), (23, 901265), (53, 391115), (95, 218201), (115, 180253), (179, 115805), (265, 78223), (437, 47435), (895, 23161), (1007, 20585), (1219, 17005), (2185, 9487), (3401, 6095), (4117, 5035)]