203128220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{67261}}^1$

素因数の和:67421

約数の個数: 24

約数和(自身を含む): 429400608

約数和(自身を除く): 226272388

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 67261, 134522, 269044, 336305, 672610, 1345220, 10156411, 20312822, 40625644, 50782055, 101564110, 203128220]

約数ペア:

[(1, 203128220), (2, 101564110), (4, 50782055), (5, 40625644), (10, 20312822), (20, 10156411), (151, 1345220), (302, 672610), (604, 336305), (755, 269044), (1510, 134522), (3020, 67261)]