20996118

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 33839082

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 99, 117, 143, 198, 234, 286, 297, 351, 429, 594, 702, 858, 1287, 2574, 2719, 3861, 5438, 7722, 8157, 16314, 24471, 29909, 35347, 48942, 59818, 70694, 73413, 89727, 106041, 146826, 179454, 212082, 269181, 318123, 388817, 538362, 636246, 777634, 807543, 954369, 1166451, 1615086, 1908738, 2332902, 3499353, 6998706, 10498059, 20996118]

約数ペア:

[(1, 20996118), (2, 10498059), (3, 6998706), (6, 3499353), (9, 2332902), (11, 1908738), (13, 1615086), (18, 1166451), (22, 954369), (26, 807543), (27, 777634), (33, 636246), (39, 538362), (54, 388817), (66, 318123), (78, 269181), (99, 212082), (117, 179454), (143, 146826), (198, 106041), (234, 89727), (286, 73413), (297, 70694), (351, 59818), (429, 48942), (594, 35347), (702, 29909), (858, 24471), (1287, 16314), (2574, 8157), (2719, 7722), (3861, 5438)]