393148220

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{21673}}^1$

素因数の和:22589

約数の個数: 24

約数和(自身を含む): 826559664

約数和(自身を除く): 433411444

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140, 21673, 43346, 86692, 108365, 216730, 433460, 19657411, 39314822, 78629644, 98287055, 196574110, 393148220]

約数ペア:

[(1, 393148220), (2, 196574110), (4, 98287055), (5, 78629644), (10, 39314822), (20, 19657411), (907, 433460), (1814, 216730), (3628, 108365), (4535, 86692), (9070, 43346), (18140, 21673)]