20179655890

素因数分解:

$2^1\times 5^1\times {\mathrm{15511}}^1\times {\mathrm{130099}}^1$

素因数の和:145617

約数の個数: 16

約数和(自身を含む): 36326001600

約数和(自身を除く): 16146345710

約数列:

[1, 2, 5, 10, 15511, 31022, 77555, 130099, 155110, 260198, 650495, 1300990, 2017965589, 4035931178, 10089827945, 20179655890]

約数ペア:

[(1, 20179655890), (2, 10089827945), (5, 4035931178), (10, 2017965589), (15511, 1300990), (31022, 650495), (77555, 260198), (130099, 155110)]