20212867312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1617547}}^1$

素因数の和:1617637

約数の個数: 40

約数和(自身を含む): 43324405632

約数和(自身を除く): 23111538320

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 1617547, 3235094, 6470188, 12940376, 17793017, 25880752, 35586034, 71172068, 114845837, 142344136, 229691674, 284688272, 459383348, 918766696, 1263304207, 1837533392, 2526608414, 5053216828, 10106433656, 20212867312]

約数ペア:

[(1, 20212867312), (2, 10106433656), (4, 5053216828), (8, 2526608414), (11, 1837533392), (16, 1263304207), (22, 918766696), (44, 459383348), (71, 284688272), (88, 229691674), (142, 142344136), (176, 114845837), (284, 71172068), (568, 35586034), (781, 25880752), (1136, 17793017), (1562, 12940376), (3124, 6470188), (6248, 3235094), (12496, 1617547)]