200720478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{81001}}^1$

素因数の和:81072

約数の個数: 32

約数和(自身を含む): 466571520

約数和(自身を除く): 265851042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 81001, 162002, 243003, 486006, 567007, 1134014, 1701021, 3402042, 4779059, 9558118, 14337177, 28674354, 33453413, 66906826, 100360239, 200720478]

約数ペア:

[(1, 200720478), (2, 100360239), (3, 66906826), (6, 33453413), (7, 28674354), (14, 14337177), (21, 9558118), (42, 4779059), (59, 3402042), (118, 1701021), (177, 1134014), (354, 567007), (413, 486006), (826, 243003), (1239, 162002), (2478, 81001)]