20007980032

素因数分解:

$2^{10}\times {\mathrm{131}}^1\times {\mathrm{149153}}^1$

素因数の和:149304

約数の個数: 44

約数和(自身を含む): 40302007416

約数和(自身を除く): 20294027384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 512, 524, 1024, 1048, 2096, 4192, 8384, 16768, 33536, 67072, 134144, 149153, 298306, 596612, 1193224, 2386448, 4772896, 9545792, 19091584, 19539043, 38183168, 39078086, 76366336, 78156172, 152732672, 156312344, 312624688, 625249376, 1250498752, 2500997504, 5001995008, 10003990016, 20007980032]

約数ペア:

[(1, 20007980032), (2, 10003990016), (4, 5001995008), (8, 2500997504), (16, 1250498752), (32, 625249376), (64, 312624688), (128, 156312344), (131, 152732672), (256, 78156172), (262, 76366336), (512, 39078086), (524, 38183168), (1024, 19539043), (1048, 19091584), (2096, 9545792), (4192, 4772896), (8384, 2386448), (16768, 1193224), (33536, 596612), (67072, 298306), (134144, 149153)]