20290112

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{1097}}^1$

素因数の和:1143

約数の個数: 42

約数和(自身を含む): 42809922

約数和(自身を除く): 22519810

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1097, 1156, 2194, 2312, 4388, 4624, 8776, 9248, 17552, 18496, 18649, 35104, 37298, 70208, 74596, 149192, 298384, 317033, 596768, 634066, 1193536, 1268132, 2536264, 5072528, 10145056, 20290112]

約数ペア:

[(1, 20290112), (2, 10145056), (4, 5072528), (8, 2536264), (16, 1268132), (17, 1193536), (32, 634066), (34, 596768), (64, 317033), (68, 298384), (136, 149192), (272, 74596), (289, 70208), (544, 37298), (578, 35104), (1088, 18649), (1097, 18496), (1156, 17552), (2194, 9248), (2312, 8776), (4388, 4624)]