20798412850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1\times {\mathrm{2203}}^1$

素因数の和:2644

約数の個数: 96

約数和(自身を含む): 42502993920

約数和(自身を除く): 21704581070

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 290, 383, 425, 493, 725, 766, 850, 986, 1450, 1915, 2203, 2465, 3830, 4406, 4930, 6511, 9575, 11015, 11107, 12325, 13022, 19150, 22030, 22214, 24650, 32555, 37451, 55075, 55535, 63887, 65110, 74902, 110150, 111070, 127774, 162775, 187255, 188819, 277675, 319435, 325550, 374510, 377638, 555350, 638870, 843749, 936275, 944095, 1086079, 1597175, 1687498, 1872550, 1888190, 2172158, 3194350, 4218745, 4720475, 5430395, 8437490, 9440950, 10860790, 14343733, 21093725, 24468721, 27151975, 28687466, 42187450, 48937442, 54303950, 71718665, 122343605, 143437330, 244687210, 358593325, 415968257, 611718025, 717186650, 831936514, 1223436050, 2079841285, 4159682570, 10399206425, 20798412850]

約数ペア:

[(1, 20798412850), (2, 10399206425), (5, 4159682570), (10, 2079841285), (17, 1223436050), (25, 831936514), (29, 717186650), (34, 611718025), (50, 415968257), (58, 358593325), (85, 244687210), (145, 143437330), (170, 122343605), (290, 71718665), (383, 54303950), (425, 48937442), (493, 42187450), (725, 28687466), (766, 27151975), (850, 24468721), (986, 21093725), (1450, 14343733), (1915, 10860790), (2203, 9440950), (2465, 8437490), (3830, 5430395), (4406, 4720475), (4930, 4218745), (6511, 3194350), (9575, 2172158), (11015, 1888190), (11107, 1872550), (12325, 1687498), (13022, 1597175), (19150, 1086079), (22030, 944095), (22214, 936275), (24650, 843749), (32555, 638870), (37451, 555350), (55075, 377638), (55535, 374510), (63887, 325550), (65110, 319435), (74902, 277675), (110150, 188819), (111070, 187255), (127774, 162775)]