20435051

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 6659989

約数列:

[1, 7, 13, 19, 53, 91, 133, 223, 247, 371, 689, 1007, 1561, 1729, 2899, 4237, 4823, 7049, 11819, 13091, 20293, 29659, 55081, 82733, 91637, 153647, 224561, 385567, 1075529, 1571927, 2919293, 20435051]

約数ペア:

[(1, 20435051), (7, 2919293), (13, 1571927), (19, 1075529), (53, 385567), (91, 224561), (133, 153647), (223, 91637), (247, 82733), (371, 55081), (689, 29659), (1007, 20293), (1561, 13091), (1729, 11819), (2899, 7049), (4237, 4823)]