20171192620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1\times {\mathrm{22153}}^1$

素因数の和:23074

約数の個数: 48

約数和(自身を含む): 43210933920

約数和(自身を除く): 23039741300

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 859, 1060, 1718, 3436, 4295, 8590, 17180, 22153, 44306, 45527, 88612, 91054, 110765, 182108, 221530, 227635, 443060, 455270, 910540, 1174109, 2348218, 4696436, 5870545, 11741090, 19029427, 23482180, 38058854, 76117708, 95147135, 190294270, 380588540, 1008559631, 2017119262, 4034238524, 5042798155, 10085596310, 20171192620]

約数ペア:

[(1, 20171192620), (2, 10085596310), (4, 5042798155), (5, 4034238524), (10, 2017119262), (20, 1008559631), (53, 380588540), (106, 190294270), (212, 95147135), (265, 76117708), (530, 38058854), (859, 23482180), (1060, 19029427), (1718, 11741090), (3436, 5870545), (4295, 4696436), (8590, 2348218), (17180, 1174109), (22153, 910540), (44306, 455270), (45527, 443060), (88612, 227635), (91054, 221530), (110765, 182108)]