20595588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 53870208

約数和(自身を除く): 33274620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 53, 78, 94, 106, 141, 156, 159, 188, 212, 282, 318, 564, 611, 636, 689, 1222, 1378, 1833, 2067, 2444, 2491, 2756, 2809, 3666, 4134, 4982, 5618, 7332, 7473, 8268, 8427, 9964, 11236, 14946, 16854, 29892, 32383, 33708, 36517, 64766, 73034, 97149, 109551, 129532, 132023, 146068, 194298, 219102, 264046, 388596, 396069, 438204, 528092, 792138, 1584276, 1716299, 3432598, 5148897, 6865196, 10297794, 20595588]

約数ペア:

[(1, 20595588), (2, 10297794), (3, 6865196), (4, 5148897), (6, 3432598), (12, 1716299), (13, 1584276), (26, 792138), (39, 528092), (47, 438204), (52, 396069), (53, 388596), (78, 264046), (94, 219102), (106, 194298), (141, 146068), (156, 132023), (159, 129532), (188, 109551), (212, 97149), (282, 73034), (318, 64766), (564, 36517), (611, 33708), (636, 32383), (689, 29892), (1222, 16854), (1378, 14946), (1833, 11236), (2067, 9964), (2444, 8427), (2491, 8268), (2756, 7473), (2809, 7332), (3666, 5618), (4134, 4982)]