20949627392

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:742

約数の個数: 160

約数和(自身を含む): 45924679680

約数和(自身を除く): 24975052288

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 127, 128, 152, 248, 254, 256, 304, 496, 508, 512, 547, 589, 608, 992, 1016, 1094, 1178, 1216, 1984, 2032, 2188, 2356, 2413, 2432, 3937, 3968, 4064, 4376, 4712, 4826, 4864, 7874, 7936, 8128, 8752, 9424, 9652, 9728, 10393, 15748, 15872, 16256, 16957, 17504, 18848, 19304, 20786, 31496, 32512, 33914, 35008, 37696, 38608, 41572, 62992, 65024, 67828, 69469, 70016, 74803, 75392, 77216, 83144, 125984, 135656, 138938, 140032, 149606, 150784, 154432, 166288, 251968, 271312, 277876, 280064, 299212, 301568, 308864, 322183, 332576, 503936, 542624, 555752, 598424, 617728, 644366, 665152, 1007872, 1085248, 1111504, 1196848, 1235456, 1288732, 1319911, 1330304, 2015744, 2153539, 2170496, 2223008, 2393696, 2577464, 2639822, 2660608, 4307078, 4340992, 4446016, 4787392, 5154928, 5279644, 5321216, 8614156, 8681984, 8892032, 9574784, 10309856, 10559288, 17228312, 17784064, 19149568, 20619712, 21118576, 34456624, 35568128, 38299136, 40917241, 41239424, 42237152, 68913248, 81834482, 82478848, 84474304, 137826496, 163668964, 164957696, 168948608, 275652992, 327337928, 337897216, 551305984, 654675856, 675794432, 1102611968, 1309351712, 2618703424, 5237406848, 10474813696, 20949627392]

約数ペア:

[(1, 20949627392), (2, 10474813696), (4, 5237406848), (8, 2618703424), (16, 1309351712), (19, 1102611968), (31, 675794432), (32, 654675856), (38, 551305984), (62, 337897216), (64, 327337928), (76, 275652992), (124, 168948608), (127, 164957696), (128, 163668964), (152, 137826496), (248, 84474304), (254, 82478848), (256, 81834482), (304, 68913248), (496, 42237152), (508, 41239424), (512, 40917241), (547, 38299136), (589, 35568128), (608, 34456624), (992, 21118576), (1016, 20619712), (1094, 19149568), (1178, 17784064), (1216, 17228312), (1984, 10559288), (2032, 10309856), (2188, 9574784), (2356, 8892032), (2413, 8681984), (2432, 8614156), (3937, 5321216), (3968, 5279644), (4064, 5154928), (4376, 4787392), (4712, 4446016), (4826, 4340992), (4864, 4307078), (7874, 2660608), (7936, 2639822), (8128, 2577464), (8752, 2393696), (9424, 2223008), (9652, 2170496), (9728, 2153539), (10393, 2015744), (15748, 1330304), (15872, 1319911), (16256, 1288732), (16957, 1235456), (17504, 1196848), (18848, 1111504), (19304, 1085248), (20786, 1007872), (31496, 665152), (32512, 644366), (33914, 617728), (35008, 598424), (37696, 555752), (38608, 542624), (41572, 503936), (62992, 332576), (65024, 322183), (67828, 308864), (69469, 301568), (70016, 299212), (74803, 280064), (75392, 277876), (77216, 271312), (83144, 251968), (125984, 166288), (135656, 154432), (138938, 150784), (140032, 149606)]