20134845

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 38304000

約数和(自身を除く): 18169155

約数列:

[1, 3, 5, 9, 15, 27, 29, 37, 45, 87, 111, 135, 139, 145, 185, 261, 333, 417, 435, 555, 695, 783, 999, 1073, 1251, 1305, 1665, 2085, 3219, 3753, 3915, 4031, 4995, 5143, 5365, 6255, 9657, 12093, 15429, 16095, 18765, 20155, 25715, 28971, 36279, 46287, 48285, 60465, 77145, 108837, 138861, 144855, 149147, 181395, 231435, 447441, 544185, 694305, 745735, 1342323, 2237205, 4026969, 6711615, 20134845]

約数ペア:

[(1, 20134845), (3, 6711615), (5, 4026969), (9, 2237205), (15, 1342323), (27, 745735), (29, 694305), (37, 544185), (45, 447441), (87, 231435), (111, 181395), (135, 149147), (139, 144855), (145, 138861), (185, 108837), (261, 77145), (333, 60465), (417, 48285), (435, 46287), (555, 36279), (695, 28971), (783, 25715), (999, 20155), (1073, 18765), (1251, 16095), (1305, 15429), (1665, 12093), (2085, 9657), (3219, 6255), (3753, 5365), (3915, 5143), (4031, 4995)]