20200648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10223}}^1$

素因数の和:10261

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 22740152

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10223, 20446, 40892, 81784, 132899, 194237, 265798, 388474, 531596, 776948, 1063192, 1553896, 2525081, 5050162, 10100324, 20200648]

約数ペア:

[(1, 20200648), (2, 10100324), (4, 5050162), (8, 2525081), (13, 1553896), (19, 1063192), (26, 776948), (38, 531596), (52, 388474), (76, 265798), (104, 194237), (152, 132899), (247, 81784), (494, 40892), (988, 20446), (1976, 10223)]