20996858118

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{150431}}^1$

素因数の和:151020

約数の個数: 32

約数和(自身を含む): 43050028032

約数和(自身を除く): 22053169914

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 541, 1082, 1623, 3246, 23263, 46526, 69789, 139578, 150431, 300862, 451293, 902586, 6468533, 12937066, 19405599, 38811198, 81383171, 162766342, 244149513, 488299026, 3499476353, 6998952706, 10498429059, 20996858118]

約数ペア:

[(1, 20996858118), (2, 10498429059), (3, 6998952706), (6, 3499476353), (43, 488299026), (86, 244149513), (129, 162766342), (258, 81383171), (541, 38811198), (1082, 19405599), (1623, 12937066), (3246, 6468533), (23263, 902586), (46526, 451293), (69789, 300862), (139578, 150431)]