20648174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 34624800

約数和(自身を除く): 13976626

約数列:

[1, 2, 19, 29, 38, 41, 58, 82, 457, 551, 779, 914, 1102, 1189, 1558, 2378, 8683, 13253, 17366, 18737, 22591, 26506, 37474, 45182, 251807, 356003, 503614, 543373, 712006, 1086746, 10324087, 20648174]

約数ペア:

[(1, 20648174), (2, 10324087), (19, 1086746), (29, 712006), (38, 543373), (41, 503614), (58, 356003), (82, 251807), (457, 45182), (551, 37474), (779, 26506), (914, 22591), (1102, 18737), (1189, 17366), (1558, 13253), (2378, 8683)]