20512690545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1025891}}^1$

素因数の和:1025973

約数の個数: 32

約数和(自身を含む): 34666942464

約数和(自身を除く): 14154251919

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 3999, 6665, 19995, 1025891, 3077673, 5129455, 15388365, 31802621, 44113313, 95407863, 132339939, 159013105, 220566565, 477039315, 661699695, 1367512703, 4102538109, 6837563515, 20512690545]

約数ペア:

[(1, 20512690545), (3, 6837563515), (5, 4102538109), (15, 1367512703), (31, 661699695), (43, 477039315), (93, 220566565), (129, 159013105), (155, 132339939), (215, 95407863), (465, 44113313), (645, 31802621), (1333, 15388365), (3999, 5129455), (6665, 3077673), (19995, 1025891)]