20343110935

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 29151682560

約数和(自身を除く): 8808571625

約数列:

[1, 5, 7, 31, 35, 155, 157, 217, 307, 389, 785, 1085, 1099, 1535, 1945, 2149, 2723, 4867, 5495, 9517, 10745, 12059, 13615, 24335, 34069, 47585, 48199, 60295, 61073, 66619, 84413, 119423, 170345, 240995, 305365, 333095, 337393, 422065, 427511, 597115, 835961, 1494169, 1686965, 1893263, 2137555, 3702113, 4179805, 7470845, 9466315, 10459183, 13252841, 18510565, 18749411, 25914791, 52295915, 66264205, 93747055, 129573955, 131245877, 581231741, 656229385, 2906158705, 4068622187, 20343110935]

約数ペア:

[(1, 20343110935), (5, 4068622187), (7, 2906158705), (31, 656229385), (35, 581231741), (155, 131245877), (157, 129573955), (217, 93747055), (307, 66264205), (389, 52295915), (785, 25914791), (1085, 18749411), (1099, 18510565), (1535, 13252841), (1945, 10459183), (2149, 9466315), (2723, 7470845), (4867, 4179805), (5495, 3702113), (9517, 2137555), (10745, 1893263), (12059, 1686965), (13615, 1494169), (24335, 835961), (34069, 597115), (47585, 427511), (48199, 422065), (60295, 337393), (61073, 333095), (66619, 305365), (84413, 240995), (119423, 170345)]