20672293504

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 43182720000

約数和(自身を除く): 22510426496

約数列:

[1, 2, 4, 8, 16, 32, 47, 59, 64, 94, 118, 128, 139, 188, 236, 278, 376, 419, 472, 556, 752, 838, 944, 1112, 1504, 1676, 1888, 2224, 2773, 3008, 3352, 3776, 4448, 5546, 6016, 6533, 6704, 7552, 8201, 8896, 11092, 13066, 13408, 16402, 17792, 19693, 22184, 24721, 26132, 26816, 32804, 39386, 44368, 49442, 52264, 53632, 58241, 65608, 78772, 88736, 98884, 104528, 116482, 131216, 157544, 177472, 197768, 209056, 232964, 262432, 315088, 354944, 385447, 395536, 418112, 465928, 524864, 630176, 770894, 791072, 836224, 931856, 1049728, 1161887, 1260352, 1541788, 1582144, 1863712, 2323774, 2520704, 2737327, 3083576, 3164288, 3436219, 3727424, 4647548, 5474654, 6167152, 6872438, 7454848, 9295096, 10949308, 12334304, 13744876, 18590192, 21898616, 24668608, 27489752, 37180384, 43797232, 49337216, 54979504, 74360768, 87594464, 109959008, 148721536, 161502293, 175188928, 219918016, 323004586, 350377856, 439836032, 646009172, 1292018344, 2584036688, 5168073376, 10336146752, 20672293504]

約数ペア:

[(1, 20672293504), (2, 10336146752), (4, 5168073376), (8, 2584036688), (16, 1292018344), (32, 646009172), (47, 439836032), (59, 350377856), (64, 323004586), (94, 219918016), (118, 175188928), (128, 161502293), (139, 148721536), (188, 109959008), (236, 87594464), (278, 74360768), (376, 54979504), (419, 49337216), (472, 43797232), (556, 37180384), (752, 27489752), (838, 24668608), (944, 21898616), (1112, 18590192), (1504, 13744876), (1676, 12334304), (1888, 10949308), (2224, 9295096), (2773, 7454848), (3008, 6872438), (3352, 6167152), (3776, 5474654), (4448, 4647548), (5546, 3727424), (6016, 3436219), (6533, 3164288), (6704, 3083576), (7552, 2737327), (8201, 2520704), (8896, 2323774), (11092, 1863712), (13066, 1582144), (13408, 1541788), (16402, 1260352), (17792, 1161887), (19693, 1049728), (22184, 931856), (24721, 836224), (26132, 791072), (26816, 770894), (32804, 630176), (39386, 524864), (44368, 465928), (49442, 418112), (52264, 395536), (53632, 385447), (58241, 354944), (65608, 315088), (78772, 262432), (88736, 232964), (98884, 209056), (104528, 197768), (116482, 177472), (131216, 157544)]