20739912

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6217}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 52231200

約数和(自身を除く): 31491288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6217, 12434, 18651, 24868, 37302, 49736, 74604, 149208, 864163, 1728326, 2592489, 3456652, 5184978, 6913304, 10369956, 20739912]

約数ペア:

[(1, 20739912), (2, 10369956), (3, 6913304), (4, 5184978), (6, 3456652), (8, 2592489), (12, 1728326), (24, 864163), (139, 149208), (278, 74604), (417, 49736), (556, 37302), (834, 24868), (1112, 18651), (1668, 12434), (3336, 6217)]