20126808

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21503}}^1$

素因数の和:21528

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 38579112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21503, 43006, 64509, 86012, 129018, 172024, 193527, 258036, 279539, 387054, 516072, 559078, 774108, 838617, 1118156, 1548216, 1677234, 2236312, 2515851, 3354468, 5031702, 6708936, 10063404, 20126808]

約数ペア:

[(1, 20126808), (2, 10063404), (3, 6708936), (4, 5031702), (6, 3354468), (8, 2515851), (9, 2236312), (12, 1677234), (13, 1548216), (18, 1118156), (24, 838617), (26, 774108), (36, 559078), (39, 516072), (52, 387054), (72, 279539), (78, 258036), (104, 193527), (117, 172024), (156, 129018), (234, 86012), (312, 64509), (468, 43006), (936, 21503)]