20597456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3163}}^1$

素因数の和:3219

約数の個数: 40

約数和(自身を含む): 44726304

約数和(自身を除く): 24128848

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3163, 3256, 6326, 6512, 12652, 25304, 34793, 50608, 69586, 117031, 139172, 234062, 278344, 468124, 556688, 936248, 1287341, 1872496, 2574682, 5149364, 10298728, 20597456]

約数ペア:

[(1, 20597456), (2, 10298728), (4, 5149364), (8, 2574682), (11, 1872496), (16, 1287341), (22, 936248), (37, 556688), (44, 468124), (74, 278344), (88, 234062), (148, 139172), (176, 117031), (296, 69586), (407, 50608), (592, 34793), (814, 25304), (1628, 12652), (3163, 6512), (3256, 6326)]