20790782775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{694763}}^1$

素因数の和:694805

約数の個数: 72

約数和(自身を含む): 44798382720

約数和(自身を除く): 24007599945

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 1197, 1425, 1575, 1995, 3325, 4275, 5985, 9975, 29925, 694763, 2084289, 3473815, 4863341, 6252867, 10421445, 13200497, 14590023, 17369075, 24316705, 31264335, 39601491, 43770069, 52107225, 66002485, 72950115, 92403479, 118804473, 121583525, 156321675, 198007455, 218850345, 277210437, 330012425, 364750575, 462017395, 594022365, 831631311, 990037275, 1094251725, 1386052185, 2310086975, 2970111825, 4158156555, 6930260925, 20790782775]

約数ペア:

[(1, 20790782775), (3, 6930260925), (5, 4158156555), (7, 2970111825), (9, 2310086975), (15, 1386052185), (19, 1094251725), (21, 990037275), (25, 831631311), (35, 594022365), (45, 462017395), (57, 364750575), (63, 330012425), (75, 277210437), (95, 218850345), (105, 198007455), (133, 156321675), (171, 121583525), (175, 118804473), (225, 92403479), (285, 72950115), (315, 66002485), (399, 52107225), (475, 43770069), (525, 39601491), (665, 31264335), (855, 24316705), (1197, 17369075), (1425, 14590023), (1575, 13200497), (1995, 10421445), (3325, 6252867), (4275, 4863341), (5985, 3473815), (9975, 2084289), (29925, 694763)]