20164025721

素因数分解:

$3^1\times 7^3\times {\mathrm{19595749}}^1$

素因数の和:19595773

約数の個数: 16

約数和(自身を含む): 31353200000

約数和(自身を除く): 11189174279

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19595749, 58787247, 137170243, 411510729, 960191701, 2880575103, 6721341907, 20164025721]

約数ペア:

[(1, 20164025721), (3, 6721341907), (7, 2880575103), (21, 960191701), (49, 411510729), (147, 137170243), (343, 58787247), (1029, 19595749)]