20996848444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2159281}}^1$

素因数の和:2159326

約数の個数: 48

約数和(自身を含む): 45707681376

約数和(自身を除く): 24710832932

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 2159281, 4318562, 8637124, 23752091, 28070653, 36707777, 47504182, 56141306, 73415554, 95008364, 112282612, 146831108, 308777183, 403785547, 477201101, 617554366, 807571094, 954402202, 1235108732, 1615142188, 1908804404, 5249212111, 10498424222, 20996848444]

約数ペア:

[(1, 20996848444), (2, 10498424222), (4, 5249212111), (11, 1908804404), (13, 1615142188), (17, 1235108732), (22, 954402202), (26, 807571094), (34, 617554366), (44, 477201101), (52, 403785547), (68, 308777183), (143, 146831108), (187, 112282612), (221, 95008364), (286, 73415554), (374, 56141306), (442, 47504182), (572, 36707777), (748, 28070653), (884, 23752091), (2431, 8637124), (4862, 4318562), (9724, 2159281)]