20519964

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9661}}^1$

素因数の和:9730

約数の個数: 36

約数和(自身を含む): 52754520

約数和(自身を除く): 32234556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9661, 19322, 28983, 38644, 57966, 86949, 115932, 173898, 347796, 569999, 1139998, 1709997, 2279996, 3419994, 5129991, 6839988, 10259982, 20519964]

約数ペア:

[(1, 20519964), (2, 10259982), (3, 6839988), (4, 5129991), (6, 3419994), (9, 2279996), (12, 1709997), (18, 1139998), (36, 569999), (59, 347796), (118, 173898), (177, 115932), (236, 86949), (354, 57966), (531, 38644), (708, 28983), (1062, 19322), (2124, 9661)]