20189096921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1755421}}^1$

素因数の和:1755512

約数の個数: 16

約数和(自身を含む): 24266953728

約数和(自身を除く): 4077856807

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 1755421, 12287947, 54418051, 93037313, 380926357, 651261191, 2884156703, 20189096921]

約数ペア:

[(1, 20189096921), (7, 2884156703), (31, 651261191), (53, 380926357), (217, 93037313), (371, 54418051), (1643, 12287947), (11501, 1755421)]