20075715

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1229}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 39261600

約数和(自身を除く): 19185885

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 1089, 1229, 1485, 1815, 3267, 3687, 5445, 6145, 11061, 13519, 16335, 18435, 33183, 40557, 55305, 67595, 121671, 148709, 165915, 202785, 365013, 446127, 608355, 743545, 1338381, 1825065, 2230635, 4015143, 6691905, 20075715]

約数ペア:

[(1, 20075715), (3, 6691905), (5, 4015143), (9, 2230635), (11, 1825065), (15, 1338381), (27, 743545), (33, 608355), (45, 446127), (55, 365013), (99, 202785), (121, 165915), (135, 148709), (165, 121671), (297, 67595), (363, 55305), (495, 40557), (605, 33183), (1089, 18435), (1229, 16335), (1485, 13519), (1815, 11061), (3267, 6145), (3687, 5445)]