20819036

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14029}}^1$

素因数の和:14093

約数の個数: 24

約数和(自身を含む): 42426720

約数和(自身を除く): 21607684

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14029, 28058, 56116, 98203, 196406, 392812, 743537, 1487074, 2974148, 5204759, 10409518, 20819036]

約数ペア:

[(1, 20819036), (2, 10409518), (4, 5204759), (7, 2974148), (14, 1487074), (28, 743537), (53, 392812), (106, 196406), (212, 98203), (371, 56116), (742, 28058), (1484, 14029)]