20172763575

素因数分解:

$3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{683}}^1\times {\mathrm{881}}^1$

素因数の和:1729

約数の個数: 72

約数和(自身を含む): 36468759600

約数和(自身を除く): 16295996025

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 149, 225, 447, 683, 745, 881, 1341, 2049, 2235, 2643, 3415, 3725, 4405, 6147, 6705, 7929, 10245, 11175, 13215, 17075, 22025, 30735, 33525, 39645, 51225, 66075, 101767, 131269, 153675, 198225, 305301, 393807, 508835, 601723, 656345, 915903, 1181421, 1526505, 1805169, 1969035, 2544175, 3008615, 3281725, 4579515, 5415507, 5907105, 7632525, 9025845, 9845175, 15043075, 22897575, 27077535, 29535525, 45129225, 89656727, 135387675, 268970181, 448283635, 806910543, 1344850905, 2241418175, 4034552715, 6724254525, 20172763575]

約数ペア:

[(1, 20172763575), (3, 6724254525), (5, 4034552715), (9, 2241418175), (15, 1344850905), (25, 806910543), (45, 448283635), (75, 268970181), (149, 135387675), (225, 89656727), (447, 45129225), (683, 29535525), (745, 27077535), (881, 22897575), (1341, 15043075), (2049, 9845175), (2235, 9025845), (2643, 7632525), (3415, 5907105), (3725, 5415507), (4405, 4579515), (6147, 3281725), (6705, 3008615), (7929, 2544175), (10245, 1969035), (11175, 1805169), (13215, 1526505), (17075, 1181421), (22025, 915903), (30735, 656345), (33525, 601723), (39645, 508835), (51225, 393807), (66075, 305301), (101767, 198225), (131269, 153675)]