20700746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 14688694

約数列:

[1, 2, 11, 22, 31, 62, 127, 239, 254, 341, 478, 682, 1397, 2629, 2794, 3937, 5258, 7409, 7874, 14818, 30353, 43307, 60706, 81499, 86614, 162998, 333883, 667766, 940943, 1881886, 10350373, 20700746]

約数ペア:

[(1, 20700746), (2, 10350373), (11, 1881886), (22, 940943), (31, 667766), (62, 333883), (127, 162998), (239, 86614), (254, 81499), (341, 60706), (478, 43307), (682, 30353), (1397, 14818), (2629, 7874), (2794, 7409), (3937, 5258)]