20328525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12907}}^1$

素因数の和:12930

約数の個数: 36

約数和(自身を含む): 41615392

約数和(自身を除く): 21286867

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12907, 38721, 64535, 90349, 116163, 193605, 271047, 322675, 451745, 580815, 813141, 968025, 1355235, 2258725, 2904075, 4065705, 6776175, 20328525]

約数ペア:

[(1, 20328525), (3, 6776175), (5, 4065705), (7, 2904075), (9, 2258725), (15, 1355235), (21, 968025), (25, 813141), (35, 580815), (45, 451745), (63, 322675), (75, 271047), (105, 193605), (175, 116163), (225, 90349), (315, 64535), (525, 38721), (1575, 12907)]