20952448

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 26636672

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 647, 704, 736, 1012, 1294, 1408, 1472, 2024, 2588, 2944, 4048, 5176, 7117, 8096, 10352, 14234, 14881, 16192, 20704, 28468, 29762, 32384, 41408, 56936, 59524, 82816, 113872, 119048, 163691, 227744, 238096, 327382, 455488, 476192, 654764, 910976, 952384, 1309528, 1904768, 2619056, 5238112, 10476224, 20952448]

約数ペア:

[(1, 20952448), (2, 10476224), (4, 5238112), (8, 2619056), (11, 1904768), (16, 1309528), (22, 952384), (23, 910976), (32, 654764), (44, 476192), (46, 455488), (64, 327382), (88, 238096), (92, 227744), (128, 163691), (176, 119048), (184, 113872), (253, 82816), (352, 59524), (368, 56936), (506, 41408), (647, 32384), (704, 29762), (736, 28468), (1012, 20704), (1294, 16192), (1408, 14881), (1472, 14234), (2024, 10352), (2588, 8096), (2944, 7117), (4048, 5176)]