20429451

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 35312368

約数和(自身を除く): 14882917

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 613, 1449, 1587, 1839, 3703, 4291, 4761, 5517, 11109, 12873, 14099, 33327, 38619, 42297, 98693, 126891, 296079, 324277, 888237, 972831, 2269939, 2918493, 6809817, 20429451]

約数ペア:

[(1, 20429451), (3, 6809817), (7, 2918493), (9, 2269939), (21, 972831), (23, 888237), (63, 324277), (69, 296079), (161, 126891), (207, 98693), (483, 42297), (529, 38619), (613, 33327), (1449, 14099), (1587, 12873), (1839, 11109), (3703, 5517), (4291, 4761)]