20210708128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2857849}}^1$

素因数の和:2857889

約数の個数: 48

約数和(自身を含む): 45371226600

約数和(自身を除く): 25160518472

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 7072, 2857849, 5715698, 11431396, 22862792, 37152037, 45725584, 48583433, 74304074, 91451168, 97166866, 148608148, 194333732, 297216296, 388667464, 594432592, 631584629, 777334928, 1188865184, 1263169258, 1554669856, 2526338516, 5052677032, 10105354064, 20210708128]

約数ペア:

[(1, 20210708128), (2, 10105354064), (4, 5052677032), (8, 2526338516), (13, 1554669856), (16, 1263169258), (17, 1188865184), (26, 777334928), (32, 631584629), (34, 594432592), (52, 388667464), (68, 297216296), (104, 194333732), (136, 148608148), (208, 97166866), (221, 91451168), (272, 74304074), (416, 48583433), (442, 45725584), (544, 37152037), (884, 22862792), (1768, 11431396), (3536, 5715698), (7072, 2857849)]