20010201825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{246811}}^1$

素因数の和:246894

約数の個数: 48

約数和(自身を含む): 35256600576

約数和(自身を除く): 15246398751

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 575, 705, 1081, 1175, 1725, 3243, 3525, 5405, 16215, 27025, 81075, 246811, 740433, 1234055, 3702165, 5676653, 6170275, 11600117, 17029959, 18510825, 28383265, 34800351, 58000585, 85149795, 141916325, 174001755, 266802691, 290002925, 425748975, 800408073, 870008775, 1334013455, 4002040365, 6670067275, 20010201825]

約数ペア:

[(1, 20010201825), (3, 6670067275), (5, 4002040365), (15, 1334013455), (23, 870008775), (25, 800408073), (47, 425748975), (69, 290002925), (75, 266802691), (115, 174001755), (141, 141916325), (235, 85149795), (345, 58000585), (575, 34800351), (705, 28383265), (1081, 18510825), (1175, 17029959), (1725, 11600117), (3243, 6170275), (3525, 5676653), (5405, 3702165), (16215, 1234055), (27025, 740433), (81075, 246811)]