20758275

素因数分解:

$3^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 84

約数和(自身を含む): 41472792

約数和(自身を除く): 20714517

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 67, 75, 81, 85, 135, 153, 201, 225, 243, 255, 335, 405, 425, 459, 603, 675, 729, 765, 1005, 1139, 1215, 1275, 1377, 1675, 1809, 2025, 2295, 3015, 3417, 3645, 3825, 4131, 5025, 5427, 5695, 6075, 6885, 9045, 10251, 11475, 12393, 15075, 16281, 17085, 18225, 20655, 27135, 28475, 30753, 34425, 45225, 48843, 51255, 61965, 81405, 85425, 92259, 103275, 135675, 153765, 244215, 256275, 276777, 309825, 407025, 461295, 768825, 830331, 1221075, 1383885, 2306475, 4151655, 6919425, 20758275]

約数ペア:

[(1, 20758275), (3, 6919425), (5, 4151655), (9, 2306475), (15, 1383885), (17, 1221075), (25, 830331), (27, 768825), (45, 461295), (51, 407025), (67, 309825), (75, 276777), (81, 256275), (85, 244215), (135, 153765), (153, 135675), (201, 103275), (225, 92259), (243, 85425), (255, 81405), (335, 61965), (405, 51255), (425, 48843), (459, 45225), (603, 34425), (675, 30753), (729, 28475), (765, 27135), (1005, 20655), (1139, 18225), (1215, 17085), (1275, 16281), (1377, 15075), (1675, 12393), (1809, 11475), (2025, 10251), (2295, 9045), (3015, 6885), (3417, 6075), (3645, 5695), (3825, 5427), (4131, 5025)]