20739968249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{481843}}^1$

素因数の和:481917

約数の個数: 32

約数和(自身を含む): 28494326784

約数和(自身を除く): 7754358535

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043, 481843, 3372901, 5300273, 6263959, 20719249, 37101911, 43847713, 68903549, 145034743, 227911739, 269350237, 482324843, 1595382173, 1885451659, 2962852607, 20739968249]

約数ペア:

[(1, 20739968249), (7, 2962852607), (11, 1885451659), (13, 1595382173), (43, 482324843), (77, 269350237), (91, 227911739), (143, 145034743), (301, 68903549), (473, 43847713), (559, 37101911), (1001, 20719249), (3311, 6263959), (3913, 5300273), (6149, 3372901), (43043, 481843)]