20565723920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36724507}}^1$

素因数の和:36724527

約数の個数: 40

約数和(自身を含む): 54646067904

約数和(自身を除く): 34080343984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36724507, 73449014, 146898028, 183622535, 257071549, 293796056, 367245070, 514143098, 587592112, 734490140, 1028286196, 1285357745, 1468980280, 2056572392, 2570715490, 2937960560, 4113144784, 5141430980, 10282861960, 20565723920]

約数ペア:

[(1, 20565723920), (2, 10282861960), (4, 5141430980), (5, 4113144784), (7, 2937960560), (8, 2570715490), (10, 2056572392), (14, 1468980280), (16, 1285357745), (20, 1028286196), (28, 734490140), (35, 587592112), (40, 514143098), (56, 367245070), (70, 293796056), (80, 257071549), (112, 183622535), (140, 146898028), (280, 73449014), (560, 36724507)]