20726808

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 56388960

約数和(自身を除く): 35662152

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1373, 1887, 2516, 2746, 3774, 4119, 5032, 5492, 7548, 8238, 10984, 15096, 16476, 23341, 32952, 46682, 50801, 70023, 93364, 101602, 140046, 152403, 186728, 203204, 280092, 304806, 406408, 560184, 609612, 863617, 1219224, 1727234, 2590851, 3454468, 5181702, 6908936, 10363404, 20726808]

約数ペア:

[(1, 20726808), (2, 10363404), (3, 6908936), (4, 5181702), (6, 3454468), (8, 2590851), (12, 1727234), (17, 1219224), (24, 863617), (34, 609612), (37, 560184), (51, 406408), (68, 304806), (74, 280092), (102, 203204), (111, 186728), (136, 152403), (148, 140046), (204, 101602), (222, 93364), (296, 70023), (408, 50801), (444, 46682), (629, 32952), (888, 23341), (1258, 16476), (1373, 15096), (1887, 10984), (2516, 8238), (2746, 7548), (3774, 5492), (4119, 5032)]