20156048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1703

約数の個数: 40

約数和(自身を含む): 43229376

約数和(自身を除く): 23073328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 1613, 3124, 3226, 6248, 6452, 12496, 12904, 17743, 25808, 35486, 70972, 114523, 141944, 229046, 283888, 458092, 916184, 1259753, 1832368, 2519506, 5039012, 10078024, 20156048]

約数ペア:

[(1, 20156048), (2, 10078024), (4, 5039012), (8, 2519506), (11, 1832368), (16, 1259753), (22, 916184), (44, 458092), (71, 283888), (88, 229046), (142, 141944), (176, 114523), (284, 70972), (568, 35486), (781, 25808), (1136, 17743), (1562, 12904), (1613, 12496), (3124, 6452), (3226, 6248)]