20703440212

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:563

約数の個数: 192

約数和(自身を含む): 48294400000

約数和(自身を除く): 27590959788

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 199, 247, 266, 307, 343, 364, 398, 494, 532, 614, 637, 686, 796, 931, 988, 1228, 1274, 1372, 1393, 1729, 1862, 2149, 2548, 2587, 2786, 3458, 3724, 3781, 3991, 4298, 4459, 5174, 5572, 5833, 6517, 6916, 7562, 7982, 8596, 8918, 9751, 10348, 11666, 12103, 13034, 15043, 15124, 15964, 17836, 18109, 19502, 23332, 24206, 26068, 26467, 27937, 30086, 36218, 39004, 40831, 48412, 49153, 52934, 55874, 60172, 61093, 68257, 72436, 75829, 81662, 84721, 98306, 105301, 105868, 111748, 122186, 126763, 136514, 151658, 163324, 169442, 185269, 195559, 196612, 210602, 244372, 253526, 273028, 285817, 303316, 338884, 344071, 370538, 391118, 421204, 427651, 507052, 530803, 571634, 688142, 741076, 782236, 794209, 855302, 887341, 1061606, 1143268, 1160767, 1296883, 1368913, 1376284, 1588418, 1710604, 1774682, 2000719, 2123212, 2321534, 2408497, 2593766, 2737826, 2993557, 3176836, 3549364, 3715621, 4001438, 4643068, 4816994, 5187532, 5475652, 5559463, 5987114, 7431242, 8002876, 8125369, 9633988, 11118926, 11974228, 14862484, 15089971, 16250738, 16859479, 20954899, 22237852, 26009347, 30179942, 32501476, 33718958, 38916241, 41909798, 52018694, 56877583, 60359884, 67437916, 77832482, 83819596, 104037388, 105629797, 113755166, 155664964, 211259594, 227510332, 272413687, 398143081, 422519188, 544827374, 739408579, 796286162, 1089654748, 1478817158, 1592572324, 2957634316, 5175860053, 10351720106, 20703440212]

約数ペア:

[(1, 20703440212), (2, 10351720106), (4, 5175860053), (7, 2957634316), (13, 1592572324), (14, 1478817158), (19, 1089654748), (26, 796286162), (28, 739408579), (38, 544827374), (49, 422519188), (52, 398143081), (76, 272413687), (91, 227510332), (98, 211259594), (133, 155664964), (182, 113755166), (196, 105629797), (199, 104037388), (247, 83819596), (266, 77832482), (307, 67437916), (343, 60359884), (364, 56877583), (398, 52018694), (494, 41909798), (532, 38916241), (614, 33718958), (637, 32501476), (686, 30179942), (796, 26009347), (931, 22237852), (988, 20954899), (1228, 16859479), (1274, 16250738), (1372, 15089971), (1393, 14862484), (1729, 11974228), (1862, 11118926), (2149, 9633988), (2548, 8125369), (2587, 8002876), (2786, 7431242), (3458, 5987114), (3724, 5559463), (3781, 5475652), (3991, 5187532), (4298, 4816994), (4459, 4643068), (5174, 4001438), (5572, 3715621), (5833, 3549364), (6517, 3176836), (6916, 2993557), (7562, 2737826), (7982, 2593766), (8596, 2408497), (8918, 2321534), (9751, 2123212), (10348, 2000719), (11666, 1774682), (12103, 1710604), (13034, 1588418), (15043, 1376284), (15124, 1368913), (15964, 1296883), (17836, 1160767), (18109, 1143268), (19502, 1061606), (23332, 887341), (24206, 855302), (26068, 794209), (26467, 782236), (27937, 741076), (30086, 688142), (36218, 571634), (39004, 530803), (40831, 507052), (48412, 427651), (49153, 421204), (52934, 391118), (55874, 370538), (60172, 344071), (61093, 338884), (68257, 303316), (72436, 285817), (75829, 273028), (81662, 253526), (84721, 244372), (98306, 210602), (105301, 196612), (105868, 195559), (111748, 185269), (122186, 169442), (126763, 163324), (136514, 151658)]