20454953175

素因数分解:

$3^2\times 5^2\times {\mathrm{3271}}^1\times {\mathrm{27793}}^1$

素因数の和:31080

約数の個数: 36

約数和(自身を含む): 36649613104

約数和(自身を除く): 16194659929

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 3271, 9813, 16355, 27793, 29439, 49065, 81775, 83379, 138965, 147195, 245325, 250137, 416895, 694825, 735975, 1250685, 2084475, 6253425, 90910903, 272732709, 454554515, 818198127, 1363663545, 2272772575, 4090990635, 6818317725, 20454953175]

約数ペア:

[(1, 20454953175), (3, 6818317725), (5, 4090990635), (9, 2272772575), (15, 1363663545), (25, 818198127), (45, 454554515), (75, 272732709), (225, 90910903), (3271, 6253425), (9813, 2084475), (16355, 1250685), (27793, 735975), (29439, 694825), (49065, 416895), (81775, 250137), (83379, 245325), (138965, 147195)]