20082712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 44241120

約数和(自身を除く): 24158408

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 221, 296, 307, 442, 481, 614, 629, 884, 962, 1228, 1258, 1768, 1924, 2456, 2516, 3848, 3991, 5032, 5219, 7982, 8177, 10438, 11359, 15964, 16354, 20876, 22718, 31928, 32708, 41752, 45436, 65416, 67847, 90872, 135694, 147667, 193103, 271388, 295334, 386206, 542776, 590668, 772412, 1181336, 1544824, 2510339, 5020678, 10041356, 20082712]

約数ペア:

[(1, 20082712), (2, 10041356), (4, 5020678), (8, 2510339), (13, 1544824), (17, 1181336), (26, 772412), (34, 590668), (37, 542776), (52, 386206), (68, 295334), (74, 271388), (104, 193103), (136, 147667), (148, 135694), (221, 90872), (296, 67847), (307, 65416), (442, 45436), (481, 41752), (614, 32708), (629, 31928), (884, 22718), (962, 20876), (1228, 16354), (1258, 15964), (1768, 11359), (1924, 10438), (2456, 8177), (2516, 7982), (3848, 5219), (3991, 5032)]