20688525825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{5711}}^1\times {\mathrm{4391}}^1$

素因数の和:10126

約数の個数: 48

約数和(自身を含む): 37329610752

約数和(自身を除く): 16641084927

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 4391, 5711, 13173, 17133, 21955, 28555, 48301, 62821, 65865, 85665, 109775, 142775, 144903, 188463, 241505, 314105, 329325, 428325, 724515, 942315, 1207525, 1570525, 3622575, 4711575, 25077001, 75231003, 125385005, 275847011, 376155015, 626925025, 827541033, 1379235055, 1880775075, 4137705165, 6896175275, 20688525825]

約数ペア:

[(1, 20688525825), (3, 6896175275), (5, 4137705165), (11, 1880775075), (15, 1379235055), (25, 827541033), (33, 626925025), (55, 376155015), (75, 275847011), (165, 125385005), (275, 75231003), (825, 25077001), (4391, 4711575), (5711, 3622575), (13173, 1570525), (17133, 1207525), (21955, 942315), (28555, 724515), (48301, 428325), (62821, 329325), (65865, 314105), (85665, 241505), (109775, 188463), (142775, 144903)]