20850304

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 44339400

約数和(自身を除く): 23489096

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 64, 82, 116, 128, 137, 164, 232, 274, 328, 464, 548, 656, 928, 1096, 1189, 1312, 1856, 2192, 2378, 2624, 3712, 3973, 4384, 4756, 5248, 5617, 7946, 8768, 9512, 11234, 15892, 17536, 19024, 22468, 31784, 38048, 44936, 63568, 76096, 89872, 127136, 152192, 162893, 179744, 254272, 325786, 359488, 508544, 651572, 718976, 1303144, 2606288, 5212576, 10425152, 20850304]

約数ペア:

[(1, 20850304), (2, 10425152), (4, 5212576), (8, 2606288), (16, 1303144), (29, 718976), (32, 651572), (41, 508544), (58, 359488), (64, 325786), (82, 254272), (116, 179744), (128, 162893), (137, 152192), (164, 127136), (232, 89872), (274, 76096), (328, 63568), (464, 44936), (548, 38048), (656, 31784), (928, 22468), (1096, 19024), (1189, 17536), (1312, 15892), (1856, 11234), (2192, 9512), (2378, 8768), (2624, 7946), (3712, 5617), (3973, 5248), (4384, 4756)]