20485374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2249

約数の個数: 64

約数和(自身を含む): 53415936

約数和(自身を除く): 32930562

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2207, 3094, 4414, 4641, 6621, 9282, 13242, 15449, 28691, 30898, 37519, 46347, 57382, 75038, 86073, 92694, 112557, 172146, 200837, 225114, 262633, 401674, 487747, 525266, 602511, 787899, 975494, 1205022, 1463241, 1575798, 2926482, 3414229, 6828458, 10242687, 20485374]

約数ペア:

[(1, 20485374), (2, 10242687), (3, 6828458), (6, 3414229), (7, 2926482), (13, 1575798), (14, 1463241), (17, 1205022), (21, 975494), (26, 787899), (34, 602511), (39, 525266), (42, 487747), (51, 401674), (78, 262633), (91, 225114), (102, 200837), (119, 172146), (182, 112557), (221, 92694), (238, 86073), (273, 75038), (357, 57382), (442, 46347), (546, 37519), (663, 30898), (714, 28691), (1326, 15449), (1547, 13242), (2207, 9282), (3094, 6621), (4414, 4641)]