20606904

素因数分解:

$2^3\times 3^2\times {\mathrm{503}}^1\times {\mathrm{569}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 35412696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 503, 569, 1006, 1138, 1509, 1707, 2012, 2276, 3018, 3414, 4024, 4527, 4552, 5121, 6036, 6828, 9054, 10242, 12072, 13656, 18108, 20484, 36216, 40968, 286207, 572414, 858621, 1144828, 1717242, 2289656, 2575863, 3434484, 5151726, 6868968, 10303452, 20606904]

約数ペア:

[(1, 20606904), (2, 10303452), (3, 6868968), (4, 5151726), (6, 3434484), (8, 2575863), (9, 2289656), (12, 1717242), (18, 1144828), (24, 858621), (36, 572414), (72, 286207), (503, 40968), (569, 36216), (1006, 20484), (1138, 18108), (1509, 13656), (1707, 12072), (2012, 10242), (2276, 9054), (3018, 6828), (3414, 6036), (4024, 5121), (4527, 4552)]