20934970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 45308160

約数和(自身を除く): 24373190

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 59, 70, 74, 118, 137, 185, 259, 274, 295, 370, 413, 518, 590, 685, 826, 959, 1295, 1370, 1918, 2065, 2183, 2590, 4130, 4366, 4795, 5069, 8083, 9590, 10138, 10915, 15281, 16166, 21830, 25345, 30562, 35483, 40415, 50690, 56581, 70966, 76405, 80830, 113162, 152810, 177415, 282905, 299071, 354830, 565810, 598142, 1495355, 2093497, 2990710, 4186994, 10467485, 20934970]

約数ペア:

[(1, 20934970), (2, 10467485), (5, 4186994), (7, 2990710), (10, 2093497), (14, 1495355), (35, 598142), (37, 565810), (59, 354830), (70, 299071), (74, 282905), (118, 177415), (137, 152810), (185, 113162), (259, 80830), (274, 76405), (295, 70966), (370, 56581), (413, 50690), (518, 40415), (590, 35483), (685, 30562), (826, 25345), (959, 21830), (1295, 16166), (1370, 15281), (1918, 10915), (2065, 10138), (2183, 9590), (2590, 8083), (4130, 5069), (4366, 4795)]