20960250688

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{15259}}^1$

素因数の和:15424

約数の個数: 84

約数和(自身を含む): 45396180480

約数和(自身を除く): 24435929792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 169, 208, 254, 338, 416, 508, 676, 832, 1016, 1352, 1651, 2032, 2704, 3302, 4064, 5408, 6604, 8128, 10816, 13208, 15259, 21463, 26416, 30518, 42926, 52832, 61036, 85852, 105664, 122072, 171704, 198367, 244144, 343408, 396734, 488288, 686816, 793468, 976576, 1373632, 1586936, 1937893, 2578771, 3173872, 3875786, 5157542, 6347744, 7751572, 10315084, 12695488, 15503144, 20630168, 25192609, 31006288, 41260336, 50385218, 62012576, 82520672, 100770436, 124025152, 165041344, 201540872, 327503917, 403081744, 655007834, 806163488, 1310015668, 1612326976, 2620031336, 5240062672, 10480125344, 20960250688]

約数ペア:

[(1, 20960250688), (2, 10480125344), (4, 5240062672), (8, 2620031336), (13, 1612326976), (16, 1310015668), (26, 806163488), (32, 655007834), (52, 403081744), (64, 327503917), (104, 201540872), (127, 165041344), (169, 124025152), (208, 100770436), (254, 82520672), (338, 62012576), (416, 50385218), (508, 41260336), (676, 31006288), (832, 25192609), (1016, 20630168), (1352, 15503144), (1651, 12695488), (2032, 10315084), (2704, 7751572), (3302, 6347744), (4064, 5157542), (5408, 3875786), (6604, 3173872), (8128, 2578771), (10816, 1937893), (13208, 1586936), (15259, 1373632), (21463, 976576), (26416, 793468), (30518, 686816), (42926, 488288), (52832, 396734), (61036, 343408), (85852, 244144), (105664, 198367), (122072, 171704)]