20075685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 20013915

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 285, 347, 399, 435, 551, 609, 665, 1015, 1041, 1653, 1735, 1995, 2429, 2755, 3045, 3857, 5205, 6593, 7287, 8265, 10063, 11571, 12145, 19285, 19779, 30189, 32965, 36435, 46151, 50315, 57855, 70441, 98895, 138453, 150945, 191197, 211323, 230755, 352205, 573591, 692265, 955985, 1056615, 1338379, 2867955, 4015137, 6691895, 20075685]

約数ペア:

[(1, 20075685), (3, 6691895), (5, 4015137), (7, 2867955), (15, 1338379), (19, 1056615), (21, 955985), (29, 692265), (35, 573591), (57, 352205), (87, 230755), (95, 211323), (105, 191197), (133, 150945), (145, 138453), (203, 98895), (285, 70441), (347, 57855), (399, 50315), (435, 46151), (551, 36435), (609, 32965), (665, 30189), (1015, 19779), (1041, 19285), (1653, 12145), (1735, 11571), (1995, 10063), (2429, 8265), (2755, 7287), (3045, 6593), (3857, 5205)]