201716420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76991}}^1$

素因数の和:77131

約数の個数: 24

約数和(自身を含む): 426843648

約数和(自身を除く): 225127228

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76991, 153982, 307964, 384955, 769910, 1539820, 10085821, 20171642, 40343284, 50429105, 100858210, 201716420]

約数ペア:

[(1, 201716420), (2, 100858210), (4, 50429105), (5, 40343284), (10, 20171642), (20, 10085821), (131, 1539820), (262, 769910), (524, 384955), (655, 307964), (1310, 153982), (2620, 76991)]