20561736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 56347200

約数和(自身を除く): 35785464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 104, 118, 156, 177, 236, 312, 354, 472, 708, 767, 1117, 1416, 1534, 2234, 2301, 3068, 3351, 4468, 4602, 6136, 6702, 8936, 9204, 13404, 14521, 18408, 26808, 29042, 43563, 58084, 65903, 87126, 116168, 131806, 174252, 197709, 263612, 348504, 395418, 527224, 790836, 856739, 1581672, 1713478, 2570217, 3426956, 5140434, 6853912, 10280868, 20561736]

約数ペア:

[(1, 20561736), (2, 10280868), (3, 6853912), (4, 5140434), (6, 3426956), (8, 2570217), (12, 1713478), (13, 1581672), (24, 856739), (26, 790836), (39, 527224), (52, 395418), (59, 348504), (78, 263612), (104, 197709), (118, 174252), (156, 131806), (177, 116168), (236, 87126), (312, 65903), (354, 58084), (472, 43563), (708, 29042), (767, 26808), (1117, 18408), (1416, 14521), (1534, 13404), (2234, 9204), (2301, 8936), (3068, 6702), (3351, 6136), (4468, 4602)]