20935296004

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{98419}}^1$

素因数の和:98608

約数の個数: 48

約数和(自身を含む): 42857579520

約数和(自身を除く): 21922283516

約数列:

[1, 2, 4, 7, 14, 28, 71, 107, 142, 214, 284, 428, 497, 749, 994, 1498, 1988, 2996, 7597, 15194, 30388, 53179, 98419, 106358, 196838, 212716, 393676, 688933, 1377866, 2755732, 6987749, 10530833, 13975498, 21061666, 27950996, 42123332, 48914243, 73715831, 97828486, 147431662, 195656972, 294863324, 747689143, 1495378286, 2990756572, 5233824001, 10467648002, 20935296004]

約数ペア:

[(1, 20935296004), (2, 10467648002), (4, 5233824001), (7, 2990756572), (14, 1495378286), (28, 747689143), (71, 294863324), (107, 195656972), (142, 147431662), (214, 97828486), (284, 73715831), (428, 48914243), (497, 42123332), (749, 27950996), (994, 21061666), (1498, 13975498), (1988, 10530833), (2996, 6987749), (7597, 2755732), (15194, 1377866), (30388, 688933), (53179, 393676), (98419, 212716), (106358, 196838)]