20556570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2371}}^1$

素因数の和:2415

約数の個数: 48

約数和(自身を含む): 52430688

約数和(自身を除く): 31874118

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 289, 510, 578, 867, 1445, 1734, 2371, 2890, 4335, 4742, 7113, 8670, 11855, 14226, 23710, 35565, 40307, 71130, 80614, 120921, 201535, 241842, 403070, 604605, 685219, 1209210, 1370438, 2055657, 3426095, 4111314, 6852190, 10278285, 20556570]

約数ペア:

[(1, 20556570), (2, 10278285), (3, 6852190), (5, 4111314), (6, 3426095), (10, 2055657), (15, 1370438), (17, 1209210), (30, 685219), (34, 604605), (51, 403070), (85, 241842), (102, 201535), (170, 120921), (255, 80614), (289, 71130), (510, 40307), (578, 35565), (867, 23710), (1445, 14226), (1734, 11855), (2371, 8670), (2890, 7113), (4335, 4742)]