20794072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1117}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 42260400

約数和(自身を除く): 21466328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1117, 1432, 2234, 2327, 4468, 4654, 8936, 9308, 14521, 18616, 29042, 58084, 116168, 199943, 399886, 799772, 1599544, 2599259, 5198518, 10397036, 20794072]

約数ペア:

[(1, 20794072), (2, 10397036), (4, 5198518), (8, 2599259), (13, 1599544), (26, 799772), (52, 399886), (104, 199943), (179, 116168), (358, 58084), (716, 29042), (1117, 18616), (1432, 14521), (2234, 9308), (2327, 8936), (4468, 4654)]