20407233

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 35675136

約数和(自身を除く): 15267903

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 167, 231, 253, 483, 501, 529, 759, 1169, 1587, 1771, 1837, 3507, 3703, 3841, 5313, 5511, 5819, 11109, 11523, 12859, 17457, 26887, 38577, 40733, 42251, 80661, 88343, 122199, 126753, 265029, 295757, 618401, 887271, 971773, 1855203, 2915319, 6802411, 20407233]

約数ペア:

[(1, 20407233), (3, 6802411), (7, 2915319), (11, 1855203), (21, 971773), (23, 887271), (33, 618401), (69, 295757), (77, 265029), (161, 126753), (167, 122199), (231, 88343), (253, 80661), (483, 42251), (501, 40733), (529, 38577), (759, 26887), (1169, 17457), (1587, 12859), (1771, 11523), (1837, 11109), (3507, 5819), (3703, 5511), (3841, 5313)]