20451878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5591}}^1$

素因数の和:5683

約数の個数: 16

約数和(自身を含む): 32209920

約数和(自身を除く): 11758042

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5591, 11182, 173321, 329869, 346642, 659738, 10225939, 20451878]

約数ペア:

[(1, 20451878), (2, 10225939), (31, 659738), (59, 346642), (62, 329869), (118, 173321), (1829, 11182), (3658, 5591)]