20815732

素因数分解:

$2^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1201}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 41733440

約数和(自身を除く): 20917708

約数列:

[1, 2, 4, 7, 14, 28, 619, 1201, 1238, 2402, 2476, 4333, 4804, 8407, 8666, 16814, 17332, 33628, 743419, 1486838, 2973676, 5203933, 10407866, 20815732]

約数ペア:

[(1, 20815732), (2, 10407866), (4, 5203933), (7, 2973676), (14, 1486838), (28, 743419), (619, 33628), (1201, 17332), (1238, 16814), (2402, 8666), (2476, 8407), (4333, 4804)]