20165155178

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{1753}}^1$

素因数の和:2271

約数の個数: 64

約数和(自身を含む): 36280016640

約数和(自身を除く): 16114861462

約数列:

[1, 2, 7, 14, 37, 53, 74, 106, 259, 371, 419, 518, 742, 838, 1753, 1961, 2933, 3506, 3922, 5866, 12271, 13727, 15503, 22207, 24542, 27454, 31006, 44414, 64861, 92909, 108521, 129722, 155449, 185818, 217042, 310898, 454027, 650363, 734507, 821659, 908054, 1300726, 1469014, 1643318, 3437633, 5141549, 5751613, 6875266, 10283098, 11503226, 24063431, 27176759, 38928871, 48126862, 54353518, 77857742, 190237313, 272502097, 380474626, 545004194, 1440368227, 2880736454, 10082577589, 20165155178]

約数ペア:

[(1, 20165155178), (2, 10082577589), (7, 2880736454), (14, 1440368227), (37, 545004194), (53, 380474626), (74, 272502097), (106, 190237313), (259, 77857742), (371, 54353518), (419, 48126862), (518, 38928871), (742, 27176759), (838, 24063431), (1753, 11503226), (1961, 10283098), (2933, 6875266), (3506, 5751613), (3922, 5141549), (5866, 3437633), (12271, 1643318), (13727, 1469014), (15503, 1300726), (22207, 908054), (24542, 821659), (27454, 734507), (31006, 650363), (44414, 454027), (64861, 310898), (92909, 217042), (108521, 185818), (129722, 155449)]