20490696564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{115321}}^1$

素因数の和:115425

約数の個数: 96

約数和(自身を含む): 55332418176

約数和(自身を除く): 34841721612

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 67, 68, 78, 102, 134, 156, 201, 204, 221, 268, 402, 442, 663, 804, 871, 884, 1139, 1326, 1742, 2278, 2613, 2652, 3417, 3484, 4556, 5226, 6834, 10452, 13668, 14807, 29614, 44421, 59228, 88842, 115321, 177684, 230642, 345963, 461284, 691926, 1383852, 1499173, 1960457, 2998346, 3920914, 4497519, 5881371, 5996692, 7726507, 7841828, 8995038, 11762742, 15453014, 17990076, 23179521, 23525484, 25485941, 30906028, 46359042, 50971882, 76457823, 92718084, 100444591, 101943764, 131350619, 152915646, 200889182, 262701238, 301333773, 305831292, 394051857, 401778364, 525402476, 602667546, 788103714, 1205335092, 1576207428, 1707558047, 3415116094, 5122674141, 6830232188, 10245348282, 20490696564]

約数ペア:

[(1, 20490696564), (2, 10245348282), (3, 6830232188), (4, 5122674141), (6, 3415116094), (12, 1707558047), (13, 1576207428), (17, 1205335092), (26, 788103714), (34, 602667546), (39, 525402476), (51, 401778364), (52, 394051857), (67, 305831292), (68, 301333773), (78, 262701238), (102, 200889182), (134, 152915646), (156, 131350619), (201, 101943764), (204, 100444591), (221, 92718084), (268, 76457823), (402, 50971882), (442, 46359042), (663, 30906028), (804, 25485941), (871, 23525484), (884, 23179521), (1139, 17990076), (1326, 15453014), (1742, 11762742), (2278, 8995038), (2613, 7841828), (2652, 7726507), (3417, 5996692), (3484, 5881371), (4556, 4497519), (5226, 3920914), (6834, 2998346), (10452, 1960457), (13668, 1499173), (14807, 1383852), (29614, 691926), (44421, 461284), (59228, 345963), (88842, 230642), (115321, 177684)]