20271464

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 41389920

約数和(自身を除く): 21118456

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 92, 116, 131, 184, 232, 262, 524, 667, 841, 1048, 1334, 1682, 2668, 3013, 3364, 3799, 5336, 6026, 6728, 7598, 12052, 15196, 19343, 24104, 30392, 38686, 77372, 87377, 110171, 154744, 174754, 220342, 349508, 440684, 699016, 881368, 2533933, 5067866, 10135732, 20271464]

約数ペア:

[(1, 20271464), (2, 10135732), (4, 5067866), (8, 2533933), (23, 881368), (29, 699016), (46, 440684), (58, 349508), (92, 220342), (116, 174754), (131, 154744), (184, 110171), (232, 87377), (262, 77372), (524, 38686), (667, 30392), (841, 24104), (1048, 19343), (1334, 15196), (1682, 12052), (2668, 7598), (3013, 6728), (3364, 6026), (3799, 5336)]