20165720624

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2951657}}^1$

素因数の和:2951733

約数の個数: 40

約数和(自身を含む): 45384693408

約数和(自身を除く): 25218972784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 2951657, 5903314, 11806628, 20661599, 23613256, 41323198, 47226512, 82646396, 165292792, 180051077, 330585584, 360102154, 720204308, 1260357539, 1440408616, 2520715078, 2880817232, 5041430156, 10082860312, 20165720624]

約数ペア:

[(1, 20165720624), (2, 10082860312), (4, 5041430156), (7, 2880817232), (8, 2520715078), (14, 1440408616), (16, 1260357539), (28, 720204308), (56, 360102154), (61, 330585584), (112, 180051077), (122, 165292792), (244, 82646396), (427, 47226512), (488, 41323198), (854, 23613256), (976, 20661599), (1708, 11806628), (3416, 5903314), (6832, 2951657)]