20869149

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 34387200

約数和(自身を除く): 13518051

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1193, 2499, 3579, 5831, 8351, 17493, 20281, 25053, 58457, 60843, 141967, 175371, 409199, 425901, 993769, 1227597, 2981307, 6956383, 20869149]

約数ペア:

[(1, 20869149), (3, 6956383), (7, 2981307), (17, 1227597), (21, 993769), (49, 425901), (51, 409199), (119, 175371), (147, 141967), (343, 60843), (357, 58457), (833, 25053), (1029, 20281), (1193, 17493), (2499, 8351), (3579, 5831)]