20839918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 35435232

約数和(自身を除く): 14595314

約数列:

[1, 2, 11, 22, 53, 61, 106, 122, 293, 583, 586, 671, 1166, 1342, 3223, 3233, 6446, 6466, 15529, 17873, 31058, 35563, 35746, 71126, 170819, 196603, 341638, 393206, 947269, 1894538, 10419959, 20839918]

約数ペア:

[(1, 20839918), (2, 10419959), (11, 1894538), (22, 947269), (53, 393206), (61, 341638), (106, 196603), (122, 170819), (293, 71126), (583, 35746), (586, 35563), (671, 31058), (1166, 17873), (1342, 15529), (3223, 6466), (3233, 6446)]