20256236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5059}}^1$

素因数の和:5094

約数の個数: 48

約数和(自身を含む): 47604480

約数和(自身を除く): 27348244

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5059, 10118, 20236, 35413, 55649, 65767, 70826, 111298, 131534, 141652, 222596, 263068, 389543, 460369, 723437, 779086, 920738, 1446874, 1558172, 1841476, 2893748, 5064059, 10128118, 20256236]

約数ペア:

[(1, 20256236), (2, 10128118), (4, 5064059), (7, 2893748), (11, 1841476), (13, 1558172), (14, 1446874), (22, 920738), (26, 779086), (28, 723437), (44, 460369), (52, 389543), (77, 263068), (91, 222596), (143, 141652), (154, 131534), (182, 111298), (286, 70826), (308, 65767), (364, 55649), (572, 35413), (1001, 20236), (2002, 10118), (4004, 5059)]