20118170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 37771920

約数和(自身を除く): 17653750

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 346, 401, 802, 865, 1730, 2005, 4010, 5017, 10034, 11629, 23258, 25085, 50170, 58145, 69373, 116290, 138746, 346865, 693730, 2011817, 4023634, 10059085, 20118170]

約数ペア:

[(1, 20118170), (2, 10059085), (5, 4023634), (10, 2011817), (29, 693730), (58, 346865), (145, 138746), (173, 116290), (290, 69373), (346, 58145), (401, 50170), (802, 25085), (865, 23258), (1730, 11629), (2005, 10034), (4010, 5017)]