20687564860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6217}}^1\times {\mathrm{9787}}^1$

素因数の和:16030

約数の個数: 48

約数和(自身を含む): 46011508704

約数和(自身を除く): 25323943844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 6217, 9787, 12434, 19574, 24868, 31085, 39148, 48935, 62170, 97870, 105689, 124340, 166379, 195740, 211378, 332758, 422756, 528445, 665516, 831895, 1056890, 1663790, 2113780, 3327580, 60845779, 121691558, 243383116, 304228895, 608457790, 1034378243, 1216915580, 2068756486, 4137512972, 5171891215, 10343782430, 20687564860]

約数ペア:

[(1, 20687564860), (2, 10343782430), (4, 5171891215), (5, 4137512972), (10, 2068756486), (17, 1216915580), (20, 1034378243), (34, 608457790), (68, 304228895), (85, 243383116), (170, 121691558), (340, 60845779), (6217, 3327580), (9787, 2113780), (12434, 1663790), (19574, 1056890), (24868, 831895), (31085, 665516), (39148, 528445), (48935, 422756), (62170, 332758), (97870, 211378), (105689, 195740), (124340, 166379)]