20031151

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 24993360

約数和(自身を除く): 4962209

約数列:

[1, 7, 17, 49, 119, 139, 173, 833, 973, 1211, 2363, 2941, 6811, 8477, 16541, 20587, 24047, 115787, 144109, 168329, 408799, 1178303, 2861593, 20031151]

約数ペア:

[(1, 20031151), (7, 2861593), (17, 1178303), (49, 408799), (119, 168329), (139, 144109), (173, 115787), (833, 24047), (973, 20587), (1211, 16541), (2363, 8477), (2941, 6811)]