20917976641

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1\times {\mathrm{21943}}^1$

素因数の和:22476

約数の個数: 16

約数和(自身を含む): 22245949440

約数和(自身を除く): 1327972799

約数列:

[1, 19, 131, 383, 2489, 7277, 21943, 50173, 416917, 953287, 2874533, 8404169, 54616127, 159679211, 1100946139, 20917976641]

約数ペア:

[(1, 20917976641), (19, 1100946139), (131, 159679211), (383, 54616127), (2489, 8404169), (7277, 2874533), (21943, 953287), (50173, 416917)]