20214898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 35173440

約数和(自身を除く): 14958542

約数列:

[1, 2, 11, 19, 22, 38, 137, 209, 274, 353, 418, 706, 1507, 2603, 3014, 3883, 5206, 6707, 7766, 13414, 28633, 48361, 57266, 73777, 96722, 147554, 531971, 918859, 1063942, 1837718, 10107449, 20214898]

約数ペア:

[(1, 20214898), (2, 10107449), (11, 1837718), (19, 1063942), (22, 918859), (38, 531971), (137, 147554), (209, 96722), (274, 73777), (353, 57266), (418, 48361), (706, 28633), (1507, 13414), (2603, 7766), (3014, 6707), (3883, 5206)]