20737260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5009}}^1$

素因数の和:5047

約数の個数: 72

約数和(自身を含む): 65651040

約数和(自身を除く): 44913780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 5009, 10018, 15027, 20036, 25045, 30054, 45081, 50090, 60108, 75135, 90162, 100180, 115207, 150270, 180324, 225405, 230414, 300540, 345621, 450810, 460828, 576035, 691242, 901620, 1036863, 1152070, 1382484, 1728105, 2073726, 2304140, 3456210, 4147452, 5184315, 6912420, 10368630, 20737260]

約数ペア:

[(1, 20737260), (2, 10368630), (3, 6912420), (4, 5184315), (5, 4147452), (6, 3456210), (9, 2304140), (10, 2073726), (12, 1728105), (15, 1382484), (18, 1152070), (20, 1036863), (23, 901620), (30, 691242), (36, 576035), (45, 460828), (46, 450810), (60, 345621), (69, 300540), (90, 230414), (92, 225405), (115, 180324), (138, 150270), (180, 115207), (207, 100180), (230, 90162), (276, 75135), (345, 60108), (414, 50090), (460, 45081), (690, 30054), (828, 25045), (1035, 20036), (1380, 15027), (2070, 10018), (4140, 5009)]