20753685

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9043}}^1$

素因数の和:9074

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 18316395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9043, 27129, 45215, 81387, 135645, 153731, 244161, 406935, 461193, 768655, 1220805, 1383579, 2305965, 4150737, 6917895, 20753685]

約数ペア:

[(1, 20753685), (3, 6917895), (5, 4150737), (9, 2305965), (15, 1383579), (17, 1220805), (27, 768655), (45, 461193), (51, 406935), (85, 244161), (135, 153731), (153, 135645), (255, 81387), (459, 45215), (765, 27129), (2295, 9043)]