20175146900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{48463}}^1$

素因数の和:48681

約数の個数: 72

約数和(自身を含む): 45936893184

約数和(自身を除く): 25761746284

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 181, 230, 362, 460, 575, 724, 905, 1150, 1810, 2300, 3620, 4163, 4525, 8326, 9050, 16652, 18100, 20815, 41630, 48463, 83260, 96926, 104075, 193852, 208150, 242315, 416300, 484630, 969260, 1114649, 1211575, 2229298, 2423150, 4458596, 4846300, 5573245, 8771803, 11146490, 17543606, 22292980, 27866225, 35087212, 43859015, 55732450, 87718030, 111464900, 175436060, 201751469, 219295075, 403502938, 438590150, 807005876, 877180300, 1008757345, 2017514690, 4035029380, 5043786725, 10087573450, 20175146900]

約数ペア:

[(1, 20175146900), (2, 10087573450), (4, 5043786725), (5, 4035029380), (10, 2017514690), (20, 1008757345), (23, 877180300), (25, 807005876), (46, 438590150), (50, 403502938), (92, 219295075), (100, 201751469), (115, 175436060), (181, 111464900), (230, 87718030), (362, 55732450), (460, 43859015), (575, 35087212), (724, 27866225), (905, 22292980), (1150, 17543606), (1810, 11146490), (2300, 8771803), (3620, 5573245), (4163, 4846300), (4525, 4458596), (8326, 2423150), (9050, 2229298), (16652, 1211575), (18100, 1114649), (20815, 969260), (41630, 484630), (48463, 416300), (83260, 242315), (96926, 208150), (104075, 193852)]