20329708

素因数分解:

$2^2\times 7^2\times {\mathrm{103723}}^1$

素因数の和:103741

約数の個数: 18

約数和(自身を含む): 41385876

約数和(自身を除く): 21056168

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103723, 207446, 414892, 726061, 1452122, 2904244, 5082427, 10164854, 20329708]

約数ペア:

[(1, 20329708), (2, 10164854), (4, 5082427), (7, 2904244), (14, 1452122), (28, 726061), (49, 414892), (98, 207446), (196, 103723)]