20576840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8719}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 47088000

約数和(自身を除く): 26511160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8719, 17438, 34876, 43595, 69752, 87190, 174380, 348760, 514421, 1028842, 2057684, 2572105, 4115368, 5144210, 10288420, 20576840]

約数ペア:

[(1, 20576840), (2, 10288420), (4, 5144210), (5, 4115368), (8, 2572105), (10, 2057684), (20, 1028842), (40, 514421), (59, 348760), (118, 174380), (236, 87190), (295, 69752), (472, 43595), (590, 34876), (1180, 17438), (2360, 8719)]