20926592

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 45165600

約数和(自身を除く): 24239008

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 64, 68, 118, 128, 136, 163, 236, 272, 326, 472, 544, 652, 944, 1003, 1088, 1304, 1888, 2006, 2176, 2608, 2771, 3776, 4012, 5216, 5542, 7552, 8024, 9617, 10432, 11084, 16048, 19234, 20864, 22168, 32096, 38468, 44336, 64192, 76936, 88672, 128384, 153872, 163489, 177344, 307744, 326978, 354688, 615488, 653956, 1230976, 1307912, 2615824, 5231648, 10463296, 20926592]

約数ペア:

[(1, 20926592), (2, 10463296), (4, 5231648), (8, 2615824), (16, 1307912), (17, 1230976), (32, 653956), (34, 615488), (59, 354688), (64, 326978), (68, 307744), (118, 177344), (128, 163489), (136, 153872), (163, 128384), (236, 88672), (272, 76936), (326, 64192), (472, 44336), (544, 38468), (652, 32096), (944, 22168), (1003, 20864), (1088, 19234), (1304, 16048), (1888, 11084), (2006, 10432), (2176, 9617), (2608, 8024), (2771, 7552), (3776, 5542), (4012, 5216)]