20657430

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8501}}^1$

素因数の和:8523

約数の個数: 48

約数和(自身を含む): 55705104

約数和(自身を除く): 35047674

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8501, 17002, 25503, 42505, 51006, 76509, 85010, 127515, 153018, 229527, 255030, 382545, 459054, 688581, 765090, 1147635, 1377162, 2065743, 2295270, 3442905, 4131486, 6885810, 10328715, 20657430]

約数ペア:

[(1, 20657430), (2, 10328715), (3, 6885810), (5, 4131486), (6, 3442905), (9, 2295270), (10, 2065743), (15, 1377162), (18, 1147635), (27, 765090), (30, 688581), (45, 459054), (54, 382545), (81, 255030), (90, 229527), (135, 153018), (162, 127515), (243, 85010), (270, 76509), (405, 51006), (486, 42505), (810, 25503), (1215, 17002), (2430, 8501)]