20143777725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83437}}^1$

素因数の和:83519

約数の個数: 72

約数和(自身を含む): 38333085960

約数和(自身を除く): 18189308235

約数列:

[1, 3, 5, 9, 15, 25, 29, 37, 45, 75, 87, 111, 145, 185, 225, 261, 333, 435, 555, 725, 925, 1073, 1305, 1665, 2175, 2775, 3219, 5365, 6525, 8325, 9657, 16095, 26825, 48285, 80475, 83437, 241425, 250311, 417185, 750933, 1251555, 2085925, 2419673, 3087169, 3754665, 6257775, 7259019, 9261507, 12098365, 15435845, 18773325, 21777057, 27784521, 36295095, 46307535, 60491825, 77179225, 89527901, 108885285, 138922605, 181475475, 231537675, 268583703, 447639505, 544426425, 694613025, 805751109, 1342918515, 2238197525, 4028755545, 6714592575, 20143777725]

約数ペア:

[(1, 20143777725), (3, 6714592575), (5, 4028755545), (9, 2238197525), (15, 1342918515), (25, 805751109), (29, 694613025), (37, 544426425), (45, 447639505), (75, 268583703), (87, 231537675), (111, 181475475), (145, 138922605), (185, 108885285), (225, 89527901), (261, 77179225), (333, 60491825), (435, 46307535), (555, 36295095), (725, 27784521), (925, 21777057), (1073, 18773325), (1305, 15435845), (1665, 12098365), (2175, 9261507), (2775, 7259019), (3219, 6257775), (5365, 3754665), (6525, 3087169), (8325, 2419673), (9657, 2085925), (16095, 1251555), (26825, 750933), (48285, 417185), (80475, 250311), (83437, 241425)]