20914544

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 60

約数和(自身を含む): 48548976

約数和(自身を除く): 27634432

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 353, 368, 529, 644, 706, 1058, 1288, 1412, 2116, 2471, 2576, 2824, 3703, 4232, 4942, 5648, 7406, 8119, 8464, 9884, 14812, 16238, 19768, 29624, 32476, 39536, 56833, 59248, 64952, 113666, 129904, 186737, 227332, 373474, 454664, 746948, 909328, 1307159, 1493896, 2614318, 2987792, 5228636, 10457272, 20914544]

約数ペア:

[(1, 20914544), (2, 10457272), (4, 5228636), (7, 2987792), (8, 2614318), (14, 1493896), (16, 1307159), (23, 909328), (28, 746948), (46, 454664), (56, 373474), (92, 227332), (112, 186737), (161, 129904), (184, 113666), (322, 64952), (353, 59248), (368, 56833), (529, 39536), (644, 32476), (706, 29624), (1058, 19768), (1288, 16238), (1412, 14812), (2116, 9884), (2471, 8464), (2576, 8119), (2824, 7406), (3703, 5648), (4232, 4942)]