20235460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144539}}^1$

素因数の和:144555

約数の個数: 24

約数和(自身を含む): 48565440

約数和(自身を除く): 28329980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144539, 289078, 578156, 722695, 1011773, 1445390, 2023546, 2890780, 4047092, 5058865, 10117730, 20235460]

約数ペア:

[(1, 20235460), (2, 10117730), (4, 5058865), (5, 4047092), (7, 2890780), (10, 2023546), (14, 1445390), (20, 1011773), (28, 722695), (35, 578156), (70, 289078), (140, 144539)]