20821570562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1\times {\mathrm{28643}}^1$

素因数の和:29114

約数の個数: 32

約数和(自身を含む): 34185811968

約数和(自身を除く): 13364241406

約数列:

[1, 2, 13, 26, 73, 146, 383, 766, 949, 1898, 4979, 9958, 27959, 28643, 55918, 57286, 363467, 372359, 726934, 744718, 2090939, 4181878, 10970269, 21940538, 27182207, 54364414, 142613497, 285226994, 800829637, 1601659274, 10410785281, 20821570562]

約数ペア:

[(1, 20821570562), (2, 10410785281), (13, 1601659274), (26, 800829637), (73, 285226994), (146, 142613497), (383, 54364414), (766, 27182207), (949, 21940538), (1898, 10970269), (4979, 4181878), (9958, 2090939), (27959, 744718), (28643, 726934), (55918, 372359), (57286, 363467)]