20294240

素因数分解:

$2^5\times 5^1\times {\mathrm{126839}}^1$

素因数の和:126854

約数の個数: 24

約数和(自身を含む): 47945520

約数和(自身を除く): 27651280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126839, 253678, 507356, 634195, 1014712, 1268390, 2029424, 2536780, 4058848, 5073560, 10147120, 20294240]

約数ペア:

[(1, 20294240), (2, 10147120), (4, 5073560), (5, 4058848), (8, 2536780), (10, 2029424), (16, 1268390), (20, 1014712), (32, 634195), (40, 507356), (80, 253678), (160, 126839)]