20521444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9311}}^1$

素因数の和:9363

約数の個数: 24

約数和(自身を含む): 39110400

約数和(自身を除く): 18588956

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9311, 18622, 37244, 176909, 270019, 353818, 540038, 707636, 1080076, 5130361, 10260722, 20521444]

約数ペア:

[(1, 20521444), (2, 10260722), (4, 5130361), (19, 1080076), (29, 707636), (38, 540038), (58, 353818), (76, 270019), (116, 176909), (551, 37244), (1102, 18622), (2204, 9311)]