20172215540

素因数分解:

$2^2\times 5^1\times {\mathrm{12491}}^1\times {\mathrm{80747}}^1$

素因数の和:93247

約数の個数: 24

約数和(自身を含む): 42365568672

約数和(自身を除く): 22193353132

約数列:

[1, 2, 4, 5, 10, 20, 12491, 24982, 49964, 62455, 80747, 124910, 161494, 249820, 322988, 403735, 807470, 1614940, 1008610777, 2017221554, 4034443108, 5043053885, 10086107770, 20172215540]

約数ペア:

[(1, 20172215540), (2, 10086107770), (4, 5043053885), (5, 4034443108), (10, 2017221554), (20, 1008610777), (12491, 1614940), (24982, 807470), (49964, 403735), (62455, 322988), (80747, 249820), (124910, 161494)]