20963144

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 40249440

約数和(自身を除く): 19286296

約数列:

[1, 2, 4, 8, 83, 131, 166, 241, 262, 332, 482, 524, 664, 964, 1048, 1928, 10873, 20003, 21746, 31571, 40006, 43492, 63142, 80012, 86984, 126284, 160024, 252568, 2620393, 5240786, 10481572, 20963144]

約数ペア:

[(1, 20963144), (2, 10481572), (4, 5240786), (8, 2620393), (83, 252568), (131, 160024), (166, 126284), (241, 86984), (262, 80012), (332, 63142), (482, 43492), (524, 40006), (664, 31571), (964, 21746), (1048, 20003), (1928, 10873)]