205177660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{123601}}^1$

素因数の和:123693

約数の個数: 24

約数和(自身を含む): 436067856

約数和(自身を除く): 230890196

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 123601, 247202, 494404, 618005, 1236010, 2472020, 10258883, 20517766, 41035532, 51294415, 102588830, 205177660]

約数ペア:

[(1, 205177660), (2, 102588830), (4, 51294415), (5, 41035532), (10, 20517766), (20, 10258883), (83, 2472020), (166, 1236010), (332, 618005), (415, 494404), (830, 247202), (1660, 123601)]