20676092528

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{5059}}^1$

素因数の和:5495

約数の個数: 120

約数和(自身を含む): 50320060560

約数和(自身を除く): 29643968032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 401, 637, 728, 784, 802, 1274, 1456, 1604, 2548, 2807, 3208, 5059, 5096, 5213, 5614, 6416, 10118, 10192, 10426, 11228, 19649, 20236, 20852, 22456, 35413, 36491, 39298, 40472, 41704, 44912, 65767, 70826, 72982, 78596, 80944, 83408, 131534, 141652, 145964, 157192, 247891, 255437, 263068, 283304, 291928, 314384, 460369, 495782, 510874, 526136, 566608, 583856, 920738, 991564, 1021748, 1052272, 1841476, 1983128, 2028659, 2043496, 3222583, 3682952, 3966256, 4057318, 4086992, 6445166, 7365904, 8114636, 12890332, 14200613, 16229272, 25780664, 26372567, 28401226, 32458544, 51561328, 52745134, 56802452, 99404291, 105490268, 113604904, 184607969, 198808582, 210980536, 227209808, 369215938, 397617164, 421961072, 738431876, 795234328, 1292255783, 1476863752, 1590468656, 2584511566, 2953727504, 5169023132, 10338046264, 20676092528]

約数ペア:

[(1, 20676092528), (2, 10338046264), (4, 5169023132), (7, 2953727504), (8, 2584511566), (13, 1590468656), (14, 1476863752), (16, 1292255783), (26, 795234328), (28, 738431876), (49, 421961072), (52, 397617164), (56, 369215938), (91, 227209808), (98, 210980536), (104, 198808582), (112, 184607969), (182, 113604904), (196, 105490268), (208, 99404291), (364, 56802452), (392, 52745134), (401, 51561328), (637, 32458544), (728, 28401226), (784, 26372567), (802, 25780664), (1274, 16229272), (1456, 14200613), (1604, 12890332), (2548, 8114636), (2807, 7365904), (3208, 6445166), (5059, 4086992), (5096, 4057318), (5213, 3966256), (5614, 3682952), (6416, 3222583), (10118, 2043496), (10192, 2028659), (10426, 1983128), (11228, 1841476), (19649, 1052272), (20236, 1021748), (20852, 991564), (22456, 920738), (35413, 583856), (36491, 566608), (39298, 526136), (40472, 510874), (41704, 495782), (44912, 460369), (65767, 314384), (70826, 291928), (72982, 283304), (78596, 263068), (80944, 255437), (83408, 247891), (131534, 157192), (141652, 145964)]