20279325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 37426176

約数和(自身を除く): 17146851

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 523, 705, 825, 1175, 1551, 1569, 2585, 2615, 3525, 5753, 7755, 7845, 12925, 13075, 17259, 24581, 28765, 38775, 39225, 73743, 86295, 122905, 143825, 270391, 368715, 431475, 614525, 811173, 1351955, 1843575, 4055865, 6759775, 20279325]

約数ペア:

[(1, 20279325), (3, 6759775), (5, 4055865), (11, 1843575), (15, 1351955), (25, 811173), (33, 614525), (47, 431475), (55, 368715), (75, 270391), (141, 143825), (165, 122905), (235, 86295), (275, 73743), (517, 39225), (523, 38775), (705, 28765), (825, 24581), (1175, 17259), (1551, 13075), (1569, 12925), (2585, 7845), (2615, 7755), (3525, 5753)]