20099210880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1495477}}^1$

素因数の和:1495506

約数の個数: 128

約数和(自身を含む): 73218602880

約数和(自身を除く): 53119392000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 1495477, 2990954, 4486431, 5981908, 7477385, 8972862, 10468339, 11963816, 14954770, 17945724, 20936678, 22432155, 23927632, 29909540, 31405017, 35891448, 41873356, 44864310, 47855264, 52341695, 59819080, 62810034, 71782896, 83746712, 89728620, 95710528, 104683390, 119638160, 125620068, 143565792, 157025085, 167493424, 179457240, 191421056, 209366780, 239276320, 251240136, 287131584, 314050170, 334986848, 358914480, 418733560, 478552640, 502480272, 574263168, 628100340, 669973696, 717828960, 837467120, 957105280, 1004960544, 1256200680, 1339947392, 1435657920, 1674934240, 2009921088, 2512401360, 2871315840, 3349868480, 4019842176, 5024802720, 6699736960, 10049605440, 20099210880]

約数ペア:

[(1, 20099210880), (2, 10049605440), (3, 6699736960), (4, 5024802720), (5, 4019842176), (6, 3349868480), (7, 2871315840), (8, 2512401360), (10, 2009921088), (12, 1674934240), (14, 1435657920), (15, 1339947392), (16, 1256200680), (20, 1004960544), (21, 957105280), (24, 837467120), (28, 717828960), (30, 669973696), (32, 628100340), (35, 574263168), (40, 502480272), (42, 478552640), (48, 418733560), (56, 358914480), (60, 334986848), (64, 314050170), (70, 287131584), (80, 251240136), (84, 239276320), (96, 209366780), (105, 191421056), (112, 179457240), (120, 167493424), (128, 157025085), (140, 143565792), (160, 125620068), (168, 119638160), (192, 104683390), (210, 95710528), (224, 89728620), (240, 83746712), (280, 71782896), (320, 62810034), (336, 59819080), (384, 52341695), (420, 47855264), (448, 44864310), (480, 41873356), (560, 35891448), (640, 31405017), (672, 29909540), (840, 23927632), (896, 22432155), (960, 20936678), (1120, 17945724), (1344, 14954770), (1680, 11963816), (1920, 10468339), (2240, 8972862), (2688, 7477385), (3360, 5981908), (4480, 4486431), (6720, 2990954), (13440, 1495477)]