20900698

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4993}}^1$

素因数の和:5038

約数の個数: 32

約数和(自身を含む): 40271616

約数和(自身を除く): 19370918

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4993, 9986, 34951, 64909, 69902, 114839, 129818, 229678, 454363, 803873, 908726, 1492907, 1607746, 2985814, 10450349, 20900698]

約数ペア:

[(1, 20900698), (2, 10450349), (7, 2985814), (13, 1607746), (14, 1492907), (23, 908726), (26, 803873), (46, 454363), (91, 229678), (161, 129818), (182, 114839), (299, 69902), (322, 64909), (598, 34951), (2093, 9986), (4186, 4993)]