20950528

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 46403280

約数和(自身を除く): 25452752

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 83, 116, 128, 136, 166, 232, 256, 272, 332, 464, 493, 512, 544, 664, 928, 986, 1088, 1328, 1411, 1856, 1972, 2176, 2407, 2656, 2822, 3712, 3944, 4352, 4814, 5312, 5644, 7424, 7888, 8704, 9628, 10624, 11288, 14848, 15776, 19256, 21248, 22576, 31552, 38512, 40919, 42496, 45152, 63104, 77024, 81838, 90304, 126208, 154048, 163676, 180608, 252416, 308096, 327352, 361216, 616192, 654704, 722432, 1232384, 1309408, 2618816, 5237632, 10475264, 20950528]

約数ペア:

[(1, 20950528), (2, 10475264), (4, 5237632), (8, 2618816), (16, 1309408), (17, 1232384), (29, 722432), (32, 654704), (34, 616192), (58, 361216), (64, 327352), (68, 308096), (83, 252416), (116, 180608), (128, 163676), (136, 154048), (166, 126208), (232, 90304), (256, 81838), (272, 77024), (332, 63104), (464, 45152), (493, 42496), (512, 40919), (544, 38512), (664, 31552), (928, 22576), (986, 21248), (1088, 19256), (1328, 15776), (1411, 14848), (1856, 11288), (1972, 10624), (2176, 9628), (2407, 8704), (2656, 7888), (2822, 7424), (3712, 5644), (3944, 5312), (4352, 4814)]