20720349728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{7433}}^1\times {\mathrm{6701}}^1$

素因数の和:14157

約数の個数: 48

約数和(自身を含む): 43943593176

約数和(自身を除く): 23223243448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 6701, 7433, 13402, 14866, 26804, 29732, 53608, 59464, 87113, 96629, 107216, 118928, 174226, 193258, 214432, 237856, 348452, 386516, 696904, 773032, 1393808, 1546064, 2787616, 3092128, 49808533, 99617066, 199234132, 398468264, 647510929, 796936528, 1295021858, 1593873056, 2590043716, 5180087432, 10360174864, 20720349728]

約数ペア:

[(1, 20720349728), (2, 10360174864), (4, 5180087432), (8, 2590043716), (13, 1593873056), (16, 1295021858), (26, 796936528), (32, 647510929), (52, 398468264), (104, 199234132), (208, 99617066), (416, 49808533), (6701, 3092128), (7433, 2787616), (13402, 1546064), (14866, 1393808), (26804, 773032), (29732, 696904), (53608, 386516), (59464, 348452), (87113, 237856), (96629, 214432), (107216, 193258), (118928, 174226)]