17738420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126703}}^1$

素因数の和:126719

約数の個数: 24

約数和(自身を含む): 42572544

約数和(自身を除く): 24834124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126703, 253406, 506812, 633515, 886921, 1267030, 1773842, 2534060, 3547684, 4434605, 8869210, 17738420]

約数ペア:

[(1, 17738420), (2, 8869210), (4, 4434605), (5, 3547684), (7, 2534060), (10, 1773842), (14, 1267030), (20, 886921), (28, 633515), (35, 506812), (70, 253406), (140, 126703)]