20037645

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8731}}^1$

素因数の和:8762

約数の個数: 32

約数和(自身を含む): 37722240

約数和(自身を除く): 17684595

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8731, 26193, 43655, 78579, 130965, 148427, 235737, 392895, 445281, 742135, 1178685, 1335843, 2226405, 4007529, 6679215, 20037645]

約数ペア:

[(1, 20037645), (3, 6679215), (5, 4007529), (9, 2226405), (15, 1335843), (17, 1178685), (27, 742135), (45, 445281), (51, 392895), (85, 235737), (135, 148427), (153, 130965), (255, 78579), (459, 43655), (765, 26193), (2295, 8731)]