20935008

素因数分解:

$2^5\times 3^2\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:636

約数の個数: 72

約数和(自身を含む): 60042528

約数和(自身を除く): 39107520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 157, 288, 314, 463, 471, 628, 926, 942, 1256, 1389, 1413, 1852, 1884, 2512, 2778, 2826, 3704, 3768, 4167, 5024, 5556, 5652, 7408, 7536, 8334, 11112, 11304, 14816, 15072, 16668, 22224, 22608, 33336, 44448, 45216, 66672, 72691, 133344, 145382, 218073, 290764, 436146, 581528, 654219, 872292, 1163056, 1308438, 1744584, 2326112, 2616876, 3489168, 5233752, 6978336, 10467504, 20935008]

約数ペア:

[(1, 20935008), (2, 10467504), (3, 6978336), (4, 5233752), (6, 3489168), (8, 2616876), (9, 2326112), (12, 1744584), (16, 1308438), (18, 1163056), (24, 872292), (32, 654219), (36, 581528), (48, 436146), (72, 290764), (96, 218073), (144, 145382), (157, 133344), (288, 72691), (314, 66672), (463, 45216), (471, 44448), (628, 33336), (926, 22608), (942, 22224), (1256, 16668), (1389, 15072), (1413, 14816), (1852, 11304), (1884, 11112), (2512, 8334), (2778, 7536), (2826, 7408), (3704, 5652), (3768, 5556), (4167, 5024)]