20269968185

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1\times {\mathrm{739}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 24812282880

約数和(自身を除く): 4542314695

約数列:

[1, 5, 107, 167, 307, 535, 739, 835, 1535, 3695, 17869, 32849, 51269, 79073, 89345, 123413, 164245, 226873, 256345, 395365, 617065, 1134365, 5485783, 13205191, 24275411, 27428915, 37887791, 66025955, 121377055, 189438955, 4053993637, 20269968185]

約数ペア:

[(1, 20269968185), (5, 4053993637), (107, 189438955), (167, 121377055), (307, 66025955), (535, 37887791), (739, 27428915), (835, 24275411), (1535, 13205191), (3695, 5485783), (17869, 1134365), (32849, 617065), (51269, 395365), (79073, 256345), (89345, 226873), (123413, 164245)]