20153642397

素因数分解:

$3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1019}}^1\times {\mathrm{3581}}^1$

素因数の和:4873

約数の個数: 32

約数和(自身を含む): 30865950720

約数和(自身を除く): 10712308323

約数列:

[1, 3, 7, 21, 263, 789, 1019, 1841, 3057, 3581, 5523, 7133, 10743, 21399, 25067, 75201, 267997, 803991, 941803, 1875979, 2825409, 3649039, 5627937, 6592621, 10947117, 19777863, 25543273, 76629819, 959697257, 2879091771, 6717880799, 20153642397]

約数ペア:

[(1, 20153642397), (3, 6717880799), (7, 2879091771), (21, 959697257), (263, 76629819), (789, 25543273), (1019, 19777863), (1841, 10947117), (3057, 6592621), (3581, 5627937), (5523, 3649039), (7133, 2825409), (10743, 1875979), (21399, 941803), (25067, 803991), (75201, 267997)]