20382285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 41401152

約数和(自身を除く): 21018867

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2521, 2695, 7563, 8085, 12605, 17647, 27731, 37815, 52941, 83193, 88235, 123529, 138655, 194117, 264705, 370587, 415965, 582351, 617645, 970585, 1358819, 1852935, 2911755, 4076457, 6794095, 20382285]

約数ペア:

[(1, 20382285), (3, 6794095), (5, 4076457), (7, 2911755), (11, 1852935), (15, 1358819), (21, 970585), (33, 617645), (35, 582351), (49, 415965), (55, 370587), (77, 264705), (105, 194117), (147, 138655), (165, 123529), (231, 88235), (245, 83193), (385, 52941), (539, 37815), (735, 27731), (1155, 17647), (1617, 12605), (2521, 8085), (2695, 7563)]