20002128

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3181}}^1$

素因数の和:3323

約数の個数: 40

約数和(自身を含む): 52082976

約数和(自身を除く): 32080848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3181, 6288, 6362, 9543, 12724, 19086, 25448, 38172, 50896, 76344, 152688, 416711, 833422, 1250133, 1666844, 2500266, 3333688, 5000532, 6667376, 10001064, 20002128]

約数ペア:

[(1, 20002128), (2, 10001064), (3, 6667376), (4, 5000532), (6, 3333688), (8, 2500266), (12, 1666844), (16, 1250133), (24, 833422), (48, 416711), (131, 152688), (262, 76344), (393, 50896), (524, 38172), (786, 25448), (1048, 19086), (1572, 12724), (2096, 9543), (3144, 6362), (3181, 6288)]